UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bTgTQZD/eiNAm067x2KoFufNkmgzhmcapEOVh/EgoBU=' 
WHERE 
  key_id = '15e46ef910997cd366c614e664c0c7cc0052b3aa34de73150234b044662b543a' 
  AND (
    token = 'bTgTQZD/eiNAm067x2KoFufNkmgzhmcapEOVh/EgoBU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )