What you are saying is not possible. The session will expire after the specified time is over.
Also please consider making your subject line more descriptive.
Read this to know why this is important. You can edit your post by clicking the
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Anyways I think your approach to the problem is wrong something similar like
this thread .
There may be a better solution to this problem and you will come to know that only if you tell what exactly you are trying to do.