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 (
    286, 278, 280, 282, 247, 255, 256, 257, 
    249, 250, 251, 252, 253, 254, 248, 245, 
    246, 66, 166, 192, 194, 195, 196, 197, 
    198, 199, 200, 201, 202, 203, 204, 230
  ) 
  AND cscart_product_review_prepared_data.storefront_id = 0

Query time 0.00068

JSON explain

{
  "query_block": {
    "select_id": 1,
    "nested_loop": [
      {
        "table": {
          "table_name": "cscart_product_review_prepared_data",
          "access_type": "ALL",
          "possible_keys": ["PRIMARY"],
          "rows": 142,
          "filtered": 22.53521156,
          "attached_condition": "cscart_product_review_prepared_data.storefront_id = 0 and cscart_product_review_prepared_data.product_id in (286,278,280,282,247,255,256,257,249,250,251,252,253,254,248,245,246,66,166,192,194,195,196,197,198,199,200,201,202,203,204,230)"
        }
      }
    ]
  }
}