UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GZDaVorrbxBtooeA7QPMjWiKwh/2jaJWSTFMdD1h/gY=' 
WHERE 
  key_id = '51f6788f44feafec02dd24b76a43fd460e0fa924446aa0dabc309af76aac5fa3' 
  AND (
    token = 'GZDaVorrbxBtooeA7QPMjWiKwh/2jaJWSTFMdD1h/gY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )