how to handle stale session

Hi My question is about handling the stale session caused by user exit application without logout. I use a table in database to maintain session info and user, e.g, session id, user oid. If the user exits the application without logout properly or the web server restart, there is a record left on the table. I am planning to check the validity of the session on the table by its session id when the user login next time. Is it possible to check whether the session is still alive or not by using the session id? Thanks

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