UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6v/uSQ2WZIwZxcICEnlrtN6qpw3f/ZFUxoHxeHN4E4E=' 
WHERE 
  key_id = 'c7706b5ee25e51192682dbddf49836dedec04fb6c0581fc211980cfd629537ba' 
  AND (
    token = '6v/uSQ2WZIwZxcICEnlrtN6qpw3f/ZFUxoHxeHN4E4E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )