SELECT 
  cscart_products.* 
FROM 
  cscart_products 
WHERE 
  cscart_products.product_id IN (
    2459, 284, 328, 138, 144, 107, 2507, 1140, 
    136, 141, 285, 1219, 120, 185, 2509, 
    142, 140, 927, 134, 630, 137, 2508, 310, 
    287, 294, 133, 1488, 2495, 143, 329, 
    187, 186
  )

Query time 0.00397

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": 32,
      "filtered": 100,
      "index_condition": "cscart_products.product_id in (2459,284,328,138,144,107,2507,1140,136,141,285,1219,120,185,2509,142,140,927,134,630,137,2508,310,287,294,133,1488,2495,143,329,187,186)"
    }
  }
}