SELECT 
  cscart_product_sales.product_id, 
  amount AS sales_amount 
FROM 
  cscart_product_sales 
  LEFT JOIN cscart_products_categories ON cscart_products_categories.product_id = cscart_product_sales.product_id 
  AND cscart_products_categories.category_id = cscart_product_sales.category_id 
WHERE 
  cscart_product_sales.product_id IN (
    12, 325, 148, 5, 23, 1, 149, 79, 238, 239, 
    172, 167, 292, 300, 303, 304, 305, 306, 
    307, 308, 309, 310, 311, 312, 313, 314, 
    315, 316, 291, 293, 298, 334, 335, 302, 
    317, 319, 320, 321, 322, 323, 337, 8, 
    150, 13
  ) 
  AND cscart_products_categories.link_type = 'M'

Query time 0.00048

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "35.66"
    },
    "nested_loop": [
      {
        "table": {
          "table_name": "cscart_product_sales",
          "access_type": "ALL",
          "possible_keys": [
            "PRIMARY",
            "pa"
          ],
          "rows_examined_per_scan": 24,
          "rows_produced_per_join": 24,
          "filtered": "100.00",
          "cost_info": {
            "read_cost": "2.06",
            "eval_cost": "4.80",
            "prefix_cost": "6.86",
            "data_read_per_join": "384"
          },
          "used_columns": [
            "category_id",
            "product_id",
            "amount"
          ],
          "attached_condition": "(`atulecarter_atul_demo1`.`cscart_product_sales`.`product_id` in (12,325,148,5,23,1,149,79,238,239,172,167,292,300,303,304,305,306,307,308,309,310,311,312,313,314,315,316,291,293,298,334,335,302,317,319,320,321,322,323,337,8,150,13))"
        }
      },
      {
        "table": {
          "table_name": "cscart_products_categories",
          "access_type": "eq_ref",
          "possible_keys": [
            "PRIMARY",
            "link_type",
            "pt"
          ],
          "key": "PRIMARY",
          "used_key_parts": [
            "category_id",
            "product_id"
          ],
          "key_length": "6",
          "ref": [
            "atulecarter_atul_demo1.cscart_product_sales.category_id",
            "atulecarter_atul_demo1.cscart_product_sales.product_id"
          ],
          "rows_examined_per_scan": 1,
          "rows_produced_per_join": 22,
          "filtered": "93.35",
          "cost_info": {
            "read_cost": "24.00",
            "eval_cost": "4.48",
            "prefix_cost": "35.66",
            "data_read_per_join": "358"
          },
          "used_columns": [
            "product_id",
            "category_id",
            "link_type"
          ],
          "attached_condition": "(`atulecarter_atul_demo1`.`cscart_products_categories`.`link_type` = 'M')"
        }
      }
    ]
  }
}