do_after

code/modules/mob/living/simple_animal/bot/secbot.dm

@@ -235,11 +235,10 @@ Auto Patrol: []"},
 	playsound(src, 'sound/weapons/cablecuff.ogg', 30, TRUE, -2)
 	C.visible_message("<span class='danger'>[src] is trying to put zipties on [C]!</span>",\
 						"<span class='userdanger'>[src] is trying to put zipties on you!</span>")
-	addtimer(CALLBACK(src, .proc/attempt_handcuff, C), 60)
+	if(do_after(src, 60, FALSE, C))
+		attempt_handcuff(C)
 
 /mob/living/simple_animal/bot/secbot/proc/attempt_handcuff(mob/living/carbon/C)
-	if( !on || !Adjacent(C) || !isturf(C.loc) ) //if he's in a closet or not adjacent, we cancel cuffing.
-		return
 	if(!C.handcuffed)
 		C.handcuffed = new /obj/item/restraints/handcuffs/cable/zipties/used(C)
 		C.update_handcuffed()