SELECT 
  cscart_products.* 
FROM 
  cscart_products 
WHERE 
  cscart_products.product_id IN (
    10414, 10415, 10416, 12856, 10417, 10418, 
    10419, 10420, 10421, 10422, 10423, 
    10424, 10384, 10383, 10382, 10753, 
    10754, 10755, 10296, 10297
  )

Query time 0.00243

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": 20,
      "filtered": 100,
      "index_condition": "cscart_products.product_id in (10414,10415,10416,12856,10417,10418,10419,10420,10421,10422,10423,10424,10384,10383,10382,10753,10754,10755,10296,10297)"
    }
  }
}