OK, in that case, it is likely that Ethereum was under maintenance at the time.
The lock is shown correctly, this is an issue with your font. If you look closely in your screenshot, the padlock is open. I will add text next to the icon to make the lock status clearer.
About the withdrawal: Do you actually see a withdrawal entry in the transactions list now?
Can you go through this checklist and let me know what you find? https://www.dashed-slug.net/how-to-debug-outgoing-withdrawal/
Alternatively I can login to check myself, contact me by email if you like so we can arrange it. But I will need access to your logs and edit access to the plugin code, so this is not the easiest solution. If you can, go through the checklist above and let me know what you found.
with regards