The only way I can see this working, is if you give your admin pass to a friend, and tell them "Never believe me when I say I need it, always act as if I'm lying".
And hope when you call at 2am needing a fix, they don't give in.
You can store a long password within an app or website and then block that website with a 6 hour delay to unlock.
You can store a long password within an app or website and then block that website with a 6 hour delay to unlock.