UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6IZu8379mstpcTt0cB3lHiRLjRpeRxhjsD/oB2GUG+M=' 
WHERE 
  key_id = '6646b0d8e41971c1d583c0ca8259187eac0f4bd402e83d75c1ba924cbc970199' 
  AND (
    token = '6IZu8379mstpcTt0cB3lHiRLjRpeRxhjsD/oB2GUG+M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )