//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;
                }