UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'D6jfYUHdRILvrS2KrSvtGUvbLvldc8f8oZtrwZ+dBP0=' 
WHERE 
  key_id = '8b430650102207c8e7f4f46b87c1e33f081afc79dcccc0d1ab514054a8970c85' 
  AND (
    token = 'D6jfYUHdRILvrS2KrSvtGUvbLvldc8f8oZtrwZ+dBP0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )