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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 (
    23391, 23392, 23393, 23394, 23395, 23396, 
    23397, 23398, 23399, 23400, 23401, 
    23402, 23403, 23404, 23405, 23406
  ) 
  AND cscart_product_review_prepared_data.storefront_id = 0

Query time 0.00014

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "table_name": "cscart_product_review_prepared_data",
      "access_type": "ALL",
      "possible_keys": ["PRIMARY"],
      "rows": 5,
      "filtered": 100,
      "attached_condition": "cscart_product_review_prepared_data.storefront_id = 0 and cscart_product_review_prepared_data.product_id in (23391,23392,23393,23394,23395,23396,23397,23398,23399,23400,23401,23402,23403,23404,23405,23406)"
    }
  }
}