Select the rows from 2 tables that don't match in a column

;
WITH CTE AS (
SELECT id2,company,car_moto,packet,SUM(paid) AS SumCP
FROM orders
GROUP BY id2,company,car_moto,packet ,paid
)
SELECT CTE.id2 AS Id,CTE.company,CTE.car_moto,CTE.packet,CTE.SumCP
FROM CTE
INNER JOIN orders
ON CTE.id2       = orders.id2
AND CTE.company  = orders.company
AND CTE.car_moto = orders.car_moto
AND CTE.packet   = orders.packet
WHERE CTE.SumCP  = (SELECT  MIN(SumCP) FROM CTE)
GROUP BY CTE.id2,CTE.company,CTE.car_moto,CTE.packet,CTE.SumCP

$userid=$_SESSION['userid'];
				$q="SELECT DISTINCT id, company, car_moto, packet, paid FROM orders WHERE userid = '$userid' GROUP BY company, car_moto, packet";
				mysql_query("set character set 'utf8'");
				$result = mysql_query($q) or die(mysql_error());
				while($row = mysql_fetch_array($result)){
				$q_2="SELECT DISTINCT company, car_moto, packet, SUM(clear_protect) FROM companies WHERE userid = '$userid' AND company='".$row['company']."' AND car_moto='".$row['car_moto']."' AND packet='".$row['packet']."' GROUP BY company, car_moto, packet";
				mysql_query("set character set 'utf8'");
				$result_2 = mysql_query($q_2) or die(mysql_error());
				while($row_2 = mysql_fetch_array($result_2)){
				$q_3="SELECT * FROM orders WHERE userid = '$userid' AND company='".$row_2['company']."' AND car_moto='".$row_2['car_moto']."' AND packet='".$row_2['packet']."' AND paid < '".$row_2['SUM(clear_protect)']."'";
				mysql_query("set character set 'utf8'");
				$result_3 = mysql_query($q_3) or die(mysql_error());
				if (mysql_num_rows($result_3) > 0) {
				while ($ev_3 = mysql_fetch_array($result_3)) {
echo "...";
				}
				}
				}
				}