On OSX Clockify Desktop there are shortcuts for new, start, discard and stop. I assume other people are like me and come back to continue the same “last” task. A simple RESTART LAST shortcut (or similar) would easily solve this. Perhaps Command + R.
I’m aware of the ability to hit “play” on a previous entry but I like to use shortcuts. Also helps with integration with tools like BetterTouchTools to control your mac/pc (particularly with Mac and touchbar).