UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MW9b2ZlaxpSnpEvj5V2FoPVHQrKurABdyiV+7UTet98=' 
WHERE 
  key_id = '98935a7bb88a69c005d98823c5919f7237ea8747dd0a362e7f93fe04b0def98d' 
  AND (
    token = 'MW9b2ZlaxpSnpEvj5V2FoPVHQrKurABdyiV+7UTet98=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )