UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kMgFK2EetWxiPBB2y6lFtE6svb4xXLJ4EaIfhVaB/PU=' 
WHERE 
  key_id = '8684c037bccd9044823f8c4097412139eb11fb8389bdbf863ba8b3482668d692' 
  AND (
    token = 'kMgFK2EetWxiPBB2y6lFtE6svb4xXLJ4EaIfhVaB/PU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )