SELECT 
  cscart_products.* 
FROM 
  cscart_products 
WHERE 
  cscart_products.product_id IN (
    19675, 13070, 9886, 11019, 19953, 10051, 
    24411, 21851, 10521, 7569, 9972, 10839, 
    21226, 10517, 9479, 22140, 22141, 7571, 
    9154, 10047, 7648, 10676, 10044, 9684
  )

Query time 0.00081

JSON explain

{
  "query_block": {
    "select_id": 1,
    "nested_loop": [
      {
        "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,
          "index_condition": "cscart_products.product_id in (19675,13070,9886,11019,19953,10051,24411,21851,10521,7569,9972,10839,21226,10517,9479,22140,22141,7571,9154,10047,7648,10676,10044,9684)"
        }
      }
    ]
  }
}