UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NvdZNY1xxVS+qcFXVqG0YoSheF/cN9IWs5ykXtoKUuA=' 
WHERE 
  key_id = '8b4cd180ce9e53fb48b15665e8870c9d492d00a7c779f2ee49503503e17184e8' 
  AND (
    token = 'NvdZNY1xxVS+qcFXVqG0YoSheF/cN9IWs5ykXtoKUuA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )