UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Y/pNz6Yqf3O2St4jFRdkO3Dl2vKkUK389qXeMo1XTFs=' 
WHERE 
  key_id = '81a8814ec3ca7766efa098820ca92bcb3b83094f1ac700912384da561f596c61' 
  AND (
    token = 'Y/pNz6Yqf3O2St4jFRdkO3Dl2vKkUK389qXeMo1XTFs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )