//Create INSERT query
    $qry = "INSERT INTO `users` (`username`, `password`, `email`, `pin`, `key`) VALUES ('$username','$password','$email','$pin','$key' ); INSERT INTO `beta_keys` (`keys_used`) VALUES('$key') ; DELETE FROM `beta_keys` WHERE `keys_new`='$key';"

if(!($result=mysql_query($qry)))
                {
                        echo "mysql error: $qry";
                        echo mysql_errno() . ": " . mysql_error();
                        return false;
                }
                else {
                        return true;
                }