UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pLNwgRjESECvTr9f8xzWwxm7F1gx0HZBcaoFJA8iYhI=' 
WHERE 
  key_id = '4a78979690e402d6e6b7722fc60a42dc9a9369c8bb66837746a76030ed9ed63d' 
  AND (
    token = 'pLNwgRjESECvTr9f8xzWwxm7F1gx0HZBcaoFJA8iYhI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )