UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UkV+nkcdgwbvo0Sz30NjwmDbSfSnn13b0DTkUiEo+Gk=' 
WHERE 
  key_id = '6e37a7fa8a928f7ff6f55c7b6e9337796b79e09d6d184ddbc69614dcad268b88' 
  AND (
    token = 'UkV+nkcdgwbvo0Sz30NjwmDbSfSnn13b0DTkUiEo+Gk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )