class SidekiqUniqueJobs::Lock::UntilExecuted

@author Mikael Henriksson <mikael@zoolutions.se>
- Unlocks after yielding to the worker’s perform method
- Locks on perform_in or perform_async
Locks jobs until the server is done executing the job

def execute

Other tags:
    Yield: - to the worker class perform method 
def execute
  lock do
    yield
    unlock_with_callback
    callback_safely
    item[JID]
  end
end