UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LoN/Gbau6lODh44rqtPM4jcwhSlr8db2+Qv+D6I/beg=' 
WHERE 
  key_id = '4dfef8220e137c368f86bbc2af19f3966de0a13dcfaf3ff61a6a92b400e11863' 
  AND (
    token = 'LoN/Gbau6lODh44rqtPM4jcwhSlr8db2+Qv+D6I/beg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )