SELECT 
  cscart_settings_objects.object_id as object_id, 
  name, 
  section_id, 
  section_tab_id, 
  type, 
  position, 
  is_global, 
  cscart_settings_objects.name as description, 
  (
    CASE WHEN storefront_values.object_id IS NOT NULL THEN storefront_values.value ELSE cscart_settings_objects.value END
  ) AS value 
FROM 
  cscart_settings_objects 
  LEFT JOIN cscart_settings_vendor_values AS storefront_values ON storefront_values.object_id = cscart_settings_objects.object_id 
  AND storefront_values.storefront_id = 1 
  AND storefront_values.company_id = 0 
WHERE 
  1 
  AND section_id = 98 
  AND (
    FIND_IN_SET(
      'STOREFRONT', cscart_settings_objects.edition_type
    ) 
    OR FIND_IN_SET(
      'ROOT', cscart_settings_objects.edition_type
    ) 
    OR FIND_IN_SET(
      'MVE:STOREFRONT', cscart_settings_objects.edition_type
    ) 
    OR FIND_IN_SET(
      'MVE:ROOT', cscart_settings_objects.edition_type
    )
  ) 
  AND cscart_settings_objects.type <> 'H' 
ORDER BY 
  cscart_settings_objects.position

Query time 0.00060

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "33.00"
    },
    "ordering_operation": {
      "using_filesort": true,
      "nested_loop": [
        {
          "table": {
            "table_name": "storefront_values",
            "access_type": "system",
            "possible_keys": [
              "PRIMARY",
              "storefront_id",
              "company_id"
            ],
            "rows_examined_per_scan": 0,
            "rows_produced_per_join": 1,
            "filtered": "0.00",
            "const_row_not_found": true,
            "cost_info": {
              "read_cost": "0.00",
              "eval_cost": "0.20",
              "prefix_cost": "0.00",
              "data_read_per_join": "24"
            },
            "used_columns": [
              "object_id",
              "company_id",
              "storefront_id",
              "value"
            ]
          }
        },
        {
          "table": {
            "table_name": "cscart_settings_objects",
            "access_type": "ref",
            "possible_keys": [
              "section_id"
            ],
            "key": "section_id",
            "used_key_parts": [
              "section_id"
            ],
            "key_length": "4",
            "ref": [
              "const"
            ],
            "rows_examined_per_scan": 30,
            "rows_produced_per_join": 26,
            "filtered": "90.00",
            "index_condition": "(`atulecarter_atul_demo7`.`cscart_settings_objects`.`section_id` <=> 98)",
            "cost_info": {
              "read_cost": "27.00",
              "eval_cost": "5.40",
              "prefix_cost": "33.00",
              "data_read_per_join": "21K"
            },
            "used_columns": [
              "object_id",
              "edition_type",
              "name",
              "section_id",
              "section_tab_id",
              "type",
              "value",
              "position",
              "is_global"
            ],
            "attached_condition": "((find_in_set('STOREFRONT',`atulecarter_atul_demo7`.`cscart_settings_objects`.`edition_type`) or find_in_set('ROOT',`atulecarter_atul_demo7`.`cscart_settings_objects`.`edition_type`) or find_in_set('MVE:STOREFRONT',`atulecarter_atul_demo7`.`cscart_settings_objects`.`edition_type`) or find_in_set('MVE:ROOT',`atulecarter_atul_demo7`.`cscart_settings_objects`.`edition_type`)) and (`atulecarter_atul_demo7`.`cscart_settings_objects`.`type` <> 'H'))"
          }
        }
      ]
    }
  }
}

Result

object_id name section_id section_tab_id type position is_global description value
5912 clear_url 98 99 O 10 N clear_url
5913 cron_command 98 99 E 20 N cron_command cron_command.tpl
5915 site_change 98 99 S 40 N site_change daily
5916 site_priority 98 99 S 50 N site_priority 1
5918 include_products 98 99 C 70 N include_products Y
5919 products_change 98 99 S 80 N products_change daily
5920 products_priority 98 99 S 90 N products_priority 0.5
5922 include_categories 98 99 C 110 N include_categories Y
5923 categories_change 98 99 S 120 N categories_change daily
5924 categories_priority 98 99 S 130 N categories_priority 0.5
5926 include_pages 98 99 C 150 N include_pages Y
5927 pages_change 98 99 S 160 N pages_change daily
5928 pages_priority 98 99 S 170 N pages_priority 0.5
5930 include_extended 98 99 C 190 N include_extended Y
5931 extended_change 98 99 S 200 N extended_change daily
5932 extended_priority 98 99 S 210 N extended_priority 0.5
5934 include_companies 98 99 C 230 N include_companies Y
5935 companies_change 98 99 S 240 N companies_change daily
5936 companies_priority 98 99 S 250 N companies_priority 0.5