UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Qas6bcPdKuqAn839pdkuWSm/vlFD75C6HpCfxb/6Cfc=' 
WHERE 
  key_id = '340a6615c29c132b2a2ba12b1ca463a54f939b18803ca13f8c1dab54124c325d' 
  AND (
    token = 'Qas6bcPdKuqAn839pdkuWSm/vlFD75C6HpCfxb/6Cfc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )