workflow condition is not working correctlty

i want to make a condition that sends a mail after deadline by few minutes, attached you will find screenshot of the condition however it is not working correctly i made a trial case with a deadline have not come yet and still receiving a mail as the case is created.
Any help ?

Your screenshot didn’t attach. Try posting it on Pasteboard or a similar service, and pasting the link here.

link of the image

https://pasteboard.co/imHfFJSsm.png