UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mME8WYbPpo3LvS0VdC6sGDFTp0HuAafhkQZtLwlsxv0=' 
WHERE 
  key_id = '6acbcb96e5f459e67abc562a672142e17abfbbc34e39aaae14a716cae9b250ad' 
  AND (
    token = 'mME8WYbPpo3LvS0VdC6sGDFTp0HuAafhkQZtLwlsxv0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )