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 (
    8373, 8377, 8403, 8431, 8443, 8517, 8587, 
    8596, 8600, 8607, 8700, 8798, 10246, 
    11632, 7837, 7864, 8271, 8274, 8278, 
    8279, 8285, 8287, 8330, 8333, 8374, 
    8389, 8405, 8430, 8516, 8518, 8537, 
    8571, 8584, 8588, 8726, 8728, 8755, 
    8803, 10044, 10085
  ) 
  AND cscart_product_review_prepared_data.storefront_id = 0

Query time 0.00027

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 (8373,8377,8403,8431,8443,8517,8587,8596,8600,8607,8700,8798,10246,11632,7837,7864,8271,8274,8278,8279,8285,8287,8330,8333,8374,8389,8405,8430,8516,8518,8537,8571,8584,8588,8726,8728,8755,8803,10044,10085)))"
    }
  }
}