tmpwatch (in Extras) might suit your needs. :)
$ rpm -qi tmpwatch
[..]
Summary: A utility for removing files based on when they were last
accessed.
Description:
The tmpwatch utility recursively searches through specified
directories and removes files which have not been accessed in a
specified period of time. Tmpwatch is normally used to clean up
directories which are used for temporarily holding files (for example,
/tmp). Tmpwatch ignores symlinks, won't switch filesystems and only
removes empty directories and regular files.
--
Peter Gordon (codergeek42) / FSF Associate Member #5015
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