SELECT 
  tmall_product_review_prepared_data.product_id AS product_id, 
  tmall_product_review_prepared_data.average_rating AS average_rating, 
  tmall_product_review_prepared_data.reviews_count AS reviews_count 
FROM 
  tmall_product_review_prepared_data 
WHERE 
  tmall_product_review_prepared_data.product_id IN (
    199, 198, 201, 192, 195, 191, 196, 197, 
    200, 202, 203, 204, 194
  ) 
  AND tmall_product_review_prepared_data.storefront_id = 0

Query time 0.01009

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost": 0.01879428,
    "nested_loop": [
      {
        "table": {
          "table_name": "tmall_product_review_prepared_data",
          "access_type": "ALL",
          "possible_keys": ["PRIMARY"],
          "loops": 1,
          "rows": 56,
          "cost": 0.01879428,
          "filtered": 23.2142849,
          "attached_condition": "tmall_product_review_prepared_data.storefront_id = 0 and tmall_product_review_prepared_data.product_id in (199,198,201,192,195,191,196,197,200,202,203,204,194)"
        }
      }
    ]
  }
}