SELECT 
  cscart_product_review_prepared_data.product_id AS product_id, 
  cscart_product_review_prepared_data.average_rating AS average_rating, 
  cscart_product_review_prepared_data.reviews_count AS reviews_count 
FROM 
  cscart_product_review_prepared_data 
WHERE 
  cscart_product_review_prepared_data.product_id IN (
    6480, 6504, 6564, 6467, 6538, 6603, 6560, 
    6473, 6477, 6569, 6567, 6501, 6550, 
    6604, 6482, 6507, 6505, 6561, 6499, 
    6506, 6554, 6605, 6476, 6549
  ) 
  AND cscart_product_review_prepared_data.storefront_id = 0

Query time 0.00069

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "1.00"
    },
    "table": {
      "table_name": "cscart_product_review_prepared_data",
      "access_type": "ALL",
      "possible_keys": [
        "PRIMARY"
      ],
      "rows_examined_per_scan": 5,
      "rows_produced_per_join": 5,
      "filtered": "100.00",
      "cost_info": {
        "read_cost": "0.50",
        "eval_cost": "0.50",
        "prefix_cost": "1.00",
        "data_read_per_join": "80"
      },
      "used_columns": [
        "product_id",
        "storefront_id",
        "average_rating",
        "reviews_count"
      ],
      "attached_condition": "((`softwarepirmam_hewadelivard_cscart_4`.`cscart_product_review_prepared_data`.`storefront_id` = 0) and (`softwarepirmam_hewadelivard_cscart_4`.`cscart_product_review_prepared_data`.`product_id` in (6480,6504,6564,6467,6538,6603,6560,6473,6477,6569,6567,6501,6550,6604,6482,6507,6505,6561,6499,6506,6554,6605,6476,6549)))"
    }
  }
}