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 (
    5487, 5499, 5521, 5532, 5597, 6670, 5455, 
    5512, 5588, 5525, 5533, 5481, 5489, 
    5793, 5428, 5524, 5591, 5511, 5495, 
    5480, 5486, 6205, 5874, 6687, 5878, 
    5875, 5440, 6664, 5438, 5443, 5476, 
    5877, 5592, 6533, 6576, 5585, 6214, 
    6586, 5447, 5529
  ) 
  AND cscart_product_review_prepared_data.storefront_id = 0

Query time 0.00074

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 (5487,5499,5521,5532,5597,6670,5455,5512,5588,5525,5533,5481,5489,5793,5428,5524,5591,5511,5495,5480,5486,6205,5874,6687,5878,5875,5440,6664,5438,5443,5476,5877,5592,6533,6576,5585,6214,6586,5447,5529)))"
    }
  }
}