UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'petDRpwvjwOBbMf9oURSF74DijbCBmgE0IWtOt1AGl0=' 
WHERE 
  key_id = '20a8243eb5197386ebfa44fc5de59fb0813ae8d2255014aba875d500f3204b28' 
  AND (
    token = 'petDRpwvjwOBbMf9oURSF74DijbCBmgE0IWtOt1AGl0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )