Logout locked Gnome Sessions after Specified Period

Is there a way to force logout of a user after their gnome session has been locked for a specified period of time?

This is how it was done in RHEL 6 with gconf:
https://access.redhat.com/solutions/44671

However, RHEL 7 has dconf and these settings no longer apply. I have found how to logout user sessions when the computer has been idle for a specified period of time using the /org/gnome/settings-daemon/plugins/power/sleep-inactive-ac-timeout and
/org/gnome/settings-daemon/plugins/power/sleep-inactive-ac-type keys. However, if the computer is processing data, it will not register as idle to the power plugin and therefore will not log out sessions.

Any guidance is appreciated.