Forums Scripts & Popups Looking for an automatically remove ban script.

I would like to have a script which will remove the bans of the banlist which remain there for 30 minutes.
In other words, I would like the script to remove every ban that have reach a time of 30 minutes remaining in the ban list.
Could anyone please help?

Attention!!! I do not mean a PERSONAL REMOVAL script. I mean every ban that is set in the ban list !