SELECT 
  cscart_products.* 
FROM 
  cscart_products 
WHERE 
  cscart_products.product_id IN (
    64275, 63757, 63343, 64277, 64728, 62540, 
    62575, 63344, 64026, 64743, 63805, 
    64946, 64865, 64738, 65481, 60856, 
    65499, 65498, 65497, 65590, 65770, 
    65720, 65721, 65613
  )

Query time 0.00056

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 (64275,63757,63343,64277,64728,62540,62575,63344,64026,64743,63805,64946,64865,64738,65481,60856,65499,65498,65497,65590,65770,65720,65721,65613)"
    }
  }
}

Result