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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 (
    276594, 276595, 276596, 276597, 276598, 
    276599, 276600, 276601, 276602, 276603, 
    276604, 276605, 276606, 276607, 276608, 
    276609, 276610, 276611, 276612, 276613
  ) 
  AND cscart_product_review_prepared_data.storefront_id = 0

Query time 0.00043

JSON explain

{
  "query_block": {
    "select_id": 1,
    "message": "no matching row in const table"
  }
}