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 (
    2906, 5879, 5523, 6689, 5876, 2908, 5474, 
    5452, 5405, 5404, 5527, 6686, 5494, 
    5593, 5488, 5403, 5492, 5453, 5491, 
    5446, 5536, 5551, 6688, 5553, 5515, 
    5435, 2909, 5454, 5558, 5792, 5449, 
    5556, 5519, 5601, 8723, 5444, 5490, 
    5429, 5497, 5483, 6208, 5530, 5531, 
    5769, 5528, 5537, 5557, 5586, 5430, 
    5448, 5587, 6690, 5790, 5436, 5522, 
    5598, 5517, 5451, 5478, 5442, 5510, 
    5552, 5509, 5535, 6242, 5437, 5485, 
    5479, 5518, 5441, 5434, 5590, 5493, 
    5526, 5484, 6219, 5402, 5482, 5589, 
    5600
  ) 
  AND cscart_product_review_prepared_data.storefront_id = 0

Query time 0.00041

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 (2906,5879,5523,6689,5876,2908,5474,5452,5405,5404,5527,6686,5494,5593,5488,5403,5492,5453,5491,5446,5536,5551,6688,5553,5515,5435,2909,5454,5558,5792,5449,5556,5519,5601,8723,5444,5490,5429,5497,5483,6208,5530,5531,5769,5528,5537,5557,5586,5430,5448,5587,6690,5790,5436,5522,5598,5517,5451,5478,5442,5510,5552,5509,5535,6242,5437,5485,5479,5518,5441,5434,5590,5493,5526,5484,6219,5402,5482,5589,5600)))"
    }
  }
}