1. Navitage to Security > Users
2. Click on action of the users.
3. Click "Edit user"
4. Click the + button.
5. Click the "Expires on" field.
6. Select the expiration date
7. Click "Save"
8. Click "OK"
9. If you need to generate a new token click here.
10. Click "Yes". It will also delete the old api token
11. If you need to delete an API Token, click on the button "Delete"
12. And click "Yes"