UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dTJXWaT3aveyOLhXJj1O+DYr1lVjSRYd8feEchjarKI=' 
WHERE 
  key_id = '3979820a43b6f8945bfa56887527a8aaa8ebebcffeaf194e16759200876e5f1f' 
  AND (
    token = 'dTJXWaT3aveyOLhXJj1O+DYr1lVjSRYd8feEchjarKI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )