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 (
    6903, 6911, 6993, 7438, 7415, 7422, 7439, 
    7443, 6880, 6996, 9523, 7172, 9520, 
    8132, 8133, 9372, 9413, 9521, 9522, 
    9368, 9374, 9375, 9624, 8793, 9414, 
    9415, 9419, 9420, 9426, 9427, 9524, 
    9416, 9417, 9418, 9469, 8791, 8794, 
    9373, 8413, 8790
  ) 
  AND cscart_product_review_prepared_data.storefront_id = 0

Query time 0.00050

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 (6903,6911,6993,7438,7415,7422,7439,7443,6880,6996,9523,7172,9520,8132,8133,9372,9413,9521,9522,9368,9374,9375,9624,8793,9414,9415,9419,9420,9426,9427,9524,9416,9417,9418,9469,8791,8794,9373,8413,8790)))"
    }
  }
}