Given that your key has expired.
$ gpg --list-keys
$ gpg --edit-key KEYID
Use the expire command to set a new expire date:
| // To run, install GreaseMonkey or TamperMonkey extension in your browser | |
| // Copy this code into new user script, and enable | |
| // ==UserScript== | |
| // @name Disable Youtube autoplay | |
| // @version 2.0 | |
| // @description This script turns off Youtube's autoplay feature after the page loads. This is permanent, you hit the button, it'll forced to be off. | |
| // @author Jeff Bellucci & bitelaserkhalif | |
| // @match *://www.youtube.com/* | |
| // @run-at document-idle |