select * from order
join timmingSettings on order.timmingSettings = timmingSettings.id
where (order.time-timmingSettings.timeout) < current_timestamp

public class TimeFunc
{
  public static long getSeconds(java.sql.Timestamp ts)
  {
    return ts.getTime() / 1000;
  }
}

CREATE ALIAS TIME_SECS FOR "TimeFunc.getSeconds";

SELECT TIME_SECS(CURRENT_TIMESTAMP);

TIME_SECS(CURRENT_TIMESTAMP())
1255862217
(1 row, 0 ms)