SELECT 
  SQL_CALC_FOUND_ROWS products.product_id, 
  descr1.product as product, 
  companies.company as company_name, 
  products.product_type, 
  products.parent_product_id, 
  descr1.full_description as full_description 
FROM 
  cscart_products as products 
  LEFT JOIN cscart_product_features_values as var_val_18 ON var_val_18.product_id = products.product_id 
  AND var_val_18.lang_code = 'en' 
  AND var_val_18.feature_id = 18 
  LEFT JOIN cscart_product_descriptions as descr1 ON descr1.product_id = products.product_id 
  AND descr1.lang_code = 'en' 
  LEFT JOIN cscart_product_prices as prices ON prices.product_id = products.product_id 
  AND prices.lower_limit = 1 
  LEFT JOIN cscart_companies AS companies ON companies.company_id = products.company_id 
  INNER JOIN cscart_products_categories as products_categories ON products_categories.product_id = products.product_id 
  INNER JOIN cscart_categories ON cscart_categories.category_id = products_categories.category_id 
  AND (
    cscart_categories.usergroup_ids = '' 
    OR FIND_IN_SET(
      0, cscart_categories.usergroup_ids
    ) 
    OR FIND_IN_SET(
      1, cscart_categories.usergroup_ids
    )
  ) 
  AND cscart_categories.status IN ('A', 'H') 
  AND cscart_categories.storefront_id IN (0, 1) 
WHERE 
  1 
  AND (
    var_val_18.variant_id IN (107)
  ) 
  AND cscart_categories.category_id IN (232) 
  AND companies.status IN ('A') 
  AND (
    products.usergroup_ids = '' 
    OR FIND_IN_SET(0, products.usergroup_ids) 
    OR FIND_IN_SET(1, products.usergroup_ids)
  ) 
  AND products.status IN ('A') 
  AND prices.usergroup_id IN (0, 0, 1) 
  AND products.parent_product_id = 0 
  AND products.product_type != 'D' 
GROUP BY 
  products.product_id 
ORDER BY 
  product asc, 
  products.product_id ASC 
LIMIT 
  0, 16

Query time 0.00129

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "3.53"
    },
    "ordering_operation": {
      "using_filesort": true,
      "grouping_operation": {
        "using_temporary_table": true,
        "using_filesort": false,
        "nested_loop": [
          {
            "table": {
              "table_name": "cscart_categories",
              "access_type": "const",
              "possible_keys": [
                "PRIMARY",
                "c_status",
                "p_category_id"
              ],
              "key": "PRIMARY",
              "used_key_parts": [
                "category_id"
              ],
              "key_length": "3",
              "ref": [
                "const"
              ],
              "rows_examined_per_scan": 1,
              "rows_produced_per_join": 1,
              "filtered": "100.00",
              "cost_info": {
                "read_cost": "0.00",
                "eval_cost": "0.20",
                "prefix_cost": "0.00",
                "data_read_per_join": "2K"
              },
              "used_columns": [
                "category_id",
                "storefront_id",
                "usergroup_ids",
                "status"
              ]
            }
          },
          {
            "table": {
              "table_name": "var_val_18",
              "access_type": "ref",
              "possible_keys": [
                "PRIMARY",
                "fl",
                "variant_id",
                "lang_code",
                "product_id",
                "fpl",
                "idx_product_feature_variant_id"
              ],
              "key": "fl",
              "used_key_parts": [
                "feature_id",
                "lang_code",
                "variant_id"
              ],
              "key_length": "12",
              "ref": [
                "const",
                "const",
                "const"
              ],
              "rows_examined_per_scan": 1,
              "rows_produced_per_join": 1,
              "filtered": "100.00",
              "cost_info": {
                "read_cost": "1.00",
                "eval_cost": "0.20",
                "prefix_cost": "1.20",
                "data_read_per_join": "792"
              },
              "used_columns": [
                "feature_id",
                "product_id",
                "variant_id",
                "lang_code"
              ],
              "attached_condition": "((`atulecarter_atul_demo2`.`var_val_18`.`product_id` is not null) and (`atulecarter_atul_demo2`.`var_val_18`.`product_id` is not null))"
            }
          },
          {
            "table": {
              "table_name": "products",
              "access_type": "eq_ref",
              "possible_keys": [
                "PRIMARY",
                "status",
                "idx_parent_product_id"
              ],
              "key": "PRIMARY",
              "used_key_parts": [
                "product_id"
              ],
              "key_length": "3",
              "ref": [
                "atulecarter_atul_demo2.var_val_18.product_id"
              ],
              "rows_examined_per_scan": 1,
              "rows_produced_per_join": 0,
              "filtered": "54.68",
              "cost_info": {
                "read_cost": "1.00",
                "eval_cost": "0.11",
                "prefix_cost": "2.40",
                "data_read_per_join": "2K"
              },
              "used_columns": [
                "product_id",
                "product_type",
                "status",
                "company_id",
                "usergroup_ids",
                "parent_product_id"
              ],
              "attached_condition": "((`atulecarter_atul_demo2`.`products`.`parent_product_id` = 0) and ((`atulecarter_atul_demo2`.`products`.`usergroup_ids` = '') or find_in_set(0,`atulecarter_atul_demo2`.`products`.`usergroup_ids`) or find_in_set(1,`atulecarter_atul_demo2`.`products`.`usergroup_ids`)) and (`atulecarter_atul_demo2`.`products`.`status` = 'A') and (`atulecarter_atul_demo2`.`products`.`product_type` <> 'D'))"
            }
          },
          {
            "table": {
              "table_name": "companies",
              "access_type": "eq_ref",
              "possible_keys": [
                "PRIMARY"
              ],
              "key": "PRIMARY",
              "used_key_parts": [
                "company_id"
              ],
              "key_length": "4",
              "ref": [
                "atulecarter_atul_demo2.products.company_id"
              ],
              "rows_examined_per_scan": 1,
              "rows_produced_per_join": 0,
              "filtered": "20.00",
              "cost_info": {
                "read_cost": "0.55",
                "eval_cost": "0.02",
                "prefix_cost": "3.06",
                "data_read_per_join": "782"
              },
              "used_columns": [
                "company_id",
                "status",
                "company"
              ],
              "attached_condition": "(`atulecarter_atul_demo2`.`companies`.`status` = 'A')"
            }
          },
          {
            "table": {
              "table_name": "products_categories",
              "access_type": "eq_ref",
              "possible_keys": [
                "PRIMARY",
                "pt"
              ],
              "key": "PRIMARY",
              "used_key_parts": [
                "category_id",
                "product_id"
              ],
              "key_length": "6",
              "ref": [
                "const",
                "atulecarter_atul_demo2.var_val_18.product_id"
              ],
              "rows_examined_per_scan": 1,
              "rows_produced_per_join": 0,
              "filtered": "100.00",
              "using_index": true,
              "cost_info": {
                "read_cost": "0.11",
                "eval_cost": "0.02",
                "prefix_cost": "3.19",
                "data_read_per_join": "1"
              },
              "used_columns": [
                "product_id",
                "category_id"
              ]
            }
          },
          {
            "table": {
              "table_name": "descr1",
              "access_type": "eq_ref",
              "possible_keys": [
                "PRIMARY",
                "product_id"
              ],
              "key": "PRIMARY",
              "used_key_parts": [
                "product_id",
                "lang_code"
              ],
              "key_length": "9",
              "ref": [
                "atulecarter_atul_demo2.var_val_18.product_id",
                "const"
              ],
              "rows_examined_per_scan": 1,
              "rows_produced_per_join": 0,
              "filtered": "100.00",
              "cost_info": {
                "read_cost": "0.11",
                "eval_cost": "0.02",
                "prefix_cost": "3.32",
                "data_read_per_join": "510"
              },
              "used_columns": [
                "product_id",
                "lang_code",
                "product",
                "full_description"
              ]
            }
          },
          {
            "table": {
              "table_name": "prices",
              "access_type": "ref",
              "possible_keys": [
                "usergroup",
                "product_id",
                "lower_limit",
                "usergroup_id"
              ],
              "key": "usergroup",
              "used_key_parts": [
                "product_id"
              ],
              "key_length": "3",
              "ref": [
                "atulecarter_atul_demo2.var_val_18.product_id"
              ],
              "rows_examined_per_scan": 4,
              "rows_produced_per_join": 0,
              "filtered": "98.35",
              "using_index": true,
              "cost_info": {
                "read_cost": "0.12",
                "eval_cost": "0.09",
                "prefix_cost": "3.53",
                "data_read_per_join": "10"
              },
              "used_columns": [
                "product_id",
                "lower_limit",
                "usergroup_id"
              ],
              "attached_condition": "((`atulecarter_atul_demo2`.`prices`.`lower_limit` = 1) and (`atulecarter_atul_demo2`.`prices`.`usergroup_id` in (0,0,1)))"
            }
          }
        ]
      }
    }
  }
}

Result

product_id product company_name product_type parent_product_id full_description
195 Crossroads Guitar Festival 2010 (2DVD) CS-Cart test P 0 <p> <p>2DVD edition of the 2010 Crossroads Guitar Festival. Featuring: Eric Clapton, Jeff Beck,Sheryl Crow,Vince Gill, Buddy Guy, B.B. King,John Mayer, Bill Murray,Steve Winwood,Ronnie Wood, ZZ Top,and more PLUS behind-the-scenes footage and interviews.</p> <p>&nbsp;</p> <p>DVD 1</p> <p>&nbsp;</p> <p>01 Promise Land - By Sonny Landreth with Eric Clapton</p> <p>02 Z. Rider - By Sonny Landreth with Eric Clapton</p> <p>03 Traveling Shoes - By Robert Randolph &amp; The Family Band</p> <p>04 Going Down - By Pino Daniele, Joe Bonamassa, Robert Randolph &amp; The Family Band</p> <p>05 Killing Floor - By Robert Cray with Jimmie Vaughan &amp; Hubert Sumlin</p> <p>06 Six Strings Down - By Jimmie Vaughan with Robert Cray &amp; Hubert Sumlin</p> <p>07 Waiting For The Bus - By ZZ Top</p> <p>08 Jesus Just Left Chicago - By ZZ Top</p> <p>09 Gypsy Blood - By Doyle Bramhall II</p> <p>10 In My Time Of Dying (Jesus Make Up My Dying Bed) - By Doyle Bramhall II</p> <p>11 Bright Lights - By Gary Clark Jr.</p> <p>12 Long Road Home - By Sheryl Crow with Derek Trucks, Susan Tedeschi, Doyle Bramhall II &amp; Gary Clark Jr.</p> <p>13 Our Love Is Fading - By Sheryl Crow with Eric Clapton, Doyle Bramhall II &amp; Gary Clark Jr.</p> <p>14 Blackwaterside - By Bert Jansch</p> <p>15 Mississippi Blues - By Stefan Grossman &amp; Keb' Mo'</p> <p>16 Roll And Tumble Blues - By Stefan Grossman</p> <p>17 One More Last Chance - By Vince Gill with Keb' Mo', James Burton, Earl Klugh &amp; Albert Lee</p> <p>18 Mystery Train - By Vince Gill with James Burton, Albert Lee, Keb' Mo' &amp; Earl Klugh</p> <p>19 Lay Down Sally - By Vince Gill with Sheryl Crow, Keb' Mo', Albert Lee, James Burton &amp; Earl Klugh</p> <p>20 Angelina - By Earl Klugh</p> <p>21 Vonetta - By Earl Klugh</p> <p>22 Who Did You Think I Was - By John Mayer Trio</p> <p>23 Ain't No Sunshine - By John Mayer Trio</p> <p>&nbsp;</p> <p>DVD 2</p> <p>&nbsp;</p> <p>01 Midnight In Harlem - By Derek Trucks &amp; Susan Tedeschi Band</p> <p>02 Coming Home - By Derek Trucks &amp; Susan Tedeschi Band with Warren Haynes</p> <p>03 Soulshine - By Warren Haynes</p> <p>04 Don't Keep Me Wondering - By David Hidalgo &amp; Cesar Rosas with Derek Trucks</p> <p>05 Space Captain - By Derek Trucks &amp; Susan Tedeschi Band with Warren Haynes, David Hidalgo, Cesar Rosas &amp; Chris Stainton</p> <p>06 Five Long Years - By Buddy Guy with Jonny Lang &amp; Ronnie Wood</p> <p>07 Miss You - By Buddy Guy with Jonny Lang &amp; Ronnie Wood</p> <p>08 Hammerhead - By Jeff Beck</p> <p>09 Nessun Dorma - By Jeff Beck</p> <p>10 Crossroads</p> <p>11 Hands Of The Saints - By Citizen Cope &amp; Eric Clapton</p> <p>12 I Shot The Sheriff</p> <p>13 Shake Your Money Maker - By Eric Clapton &amp; Jeff Beck</p> <p>14 Had To Cry Today - By Steve Winwood &amp; Eric Clapton</p> <p>15 Voodoo Chile - By Eric Clapton &amp; Steve Winwood</p> <p>16 Dear Mr. Fantasy - By Steve Winwood &amp; Eric Clapton</p> <p>17 The Thrill Is Gone - By B.B. King &amp; Ensemble</p> <div></div> </p>