If this the day you usually do I would try...

It could stress him out though. But I'd have to know the temperment of your snake to know for sure.
If he takes I dont see any harm...

I've fed my BP while she was in shed. She didnt seem to mind.

You might want to ask someone else though because I'm not really a pro yet when it comes to things like that I guess. Sometimes I douth myself. lol