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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 (
    1473, 1474, 1475, 1476, 1477, 5182, 5183, 
    5184, 5185, 5186, 5187, 1461, 1462, 
    1463, 1464, 1465, 5170, 5171, 5172, 
    5173, 5174, 5175, 1878, 1879
  ) 
  AND cscart_product_review_prepared_data.storefront_id = 0

Query time 0.00035

JSON explain

{
  "query_block": {
    "select_id": 1,
    "message": "Impossible WHERE noticed after reading const tables"
  }
}