UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a2TjSWPcvfwWwfBhia14yiCJ5v4d6dleU75iiekG0/k=' 
WHERE 
  key_id = '4d1179521ff3642acd78fefb7111e1e59b6da2e70e5b12820fa91d48c6e850af' 
  AND (
    token = 'a2TjSWPcvfwWwfBhia14yiCJ5v4d6dleU75iiekG0/k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )