Mate 18.04 does not suspend after 1 min

I am running Mate 18.04 and i want my Desktop to be suspended after one min if no activity.
I used Deconf editor and set the value 60 in org->gnome->settings-daemon->power and org-mate-power-manager but the value is not taking effect, it will suspend after 10 mins. (if i set min value from settings).
Kbuntu and base ubuntu dose suspend in 1 min but why not Mate?

Help me to find how i can set Mate to suspend in one min if no activity.

Try this(assuming you’re machine is on AC power, not a battery):
gsettings set org.gnome.settings-daemon.plugins.power sleep-inactive-ac-timeout 60

Thanks For the Reply …
ITs my desktop which i hooked to 4K tv and its always AC powered.
tried but No Luck …
I set the screen timeout to 60 and it turns off the display after 60 sec. but not suspend, It suspends after long time (may be 2 hrs am not sure)

I Installed Mate on my Laptop and i see the same when its on AC powered or Battery powered … Any value below 10 mins will not be applicable for Suspend only, display turns off after 60 sec. Manual suspend also works fine, but seems to have an issue if we set the value below 10 Min. … can someone confirm this behavior in MATE ?

Did you select Never from Power Management Preferences for the Put computer to sleep when inactive for option? Select Never and the command should work…

no, its still not working … if i change to none and run the command it wont suspend at all …