SELECT 
  cscart_products.* 
FROM 
  cscart_products 
WHERE 
  cscart_products.product_id IN (
    65300, 65301, 65770, 65460, 65302, 65417, 
    65463, 65298, 65461, 65426, 65299, 
    65465, 65418, 65423, 65455, 65453, 
    65466, 65564, 65459, 65469, 65468, 
    65479, 65456, 65457
  )

Query time 0.00054

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "table_name": "cscart_products",
      "access_type": "range",
      "possible_keys": ["PRIMARY"],
      "key": "PRIMARY",
      "key_length": "3",
      "used_key_parts": ["product_id"],
      "rows": 24,
      "filtered": 100,
      "attached_condition": "cscart_products.product_id in (65300,65301,65770,65460,65302,65417,65463,65298,65461,65426,65299,65465,65418,65423,65455,65453,65466,65564,65459,65469,65468,65479,65456,65457)"
    }
  }
}

Result