UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gKkGMozHFjPrrUCxvf2228iFHMRnZgFPzqhaCxbYyXs=' 
WHERE 
  key_id = 'd6511a7ed8b965ea3ab4d213b3364e8296863227f95450568f2956db20d26470' 
  AND (
    token = 'gKkGMozHFjPrrUCxvf2228iFHMRnZgFPzqhaCxbYyXs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )