Uh, no, 1 hour SOT is not OK. I get between 4 and 5. You have a severe case of battery drain.
The Official TWRP app is not a part of xiaomi.eu ROM installation, to my knowledge. I don't have it (of course I have TWRP 3.1.0-1 recovery, but not the app). You should be able to uninstall the app...