UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'V92Lqw20kLwundBmJ4vLctMs8T8WV37qcxHkOT8xzgo=' 
WHERE 
  key_id = '76e81690314e2afb06523e5b60dee06d87a8d8c16ecf5d2417a76ab7c61414b2' 
  AND (
    token = 'V92Lqw20kLwundBmJ4vLctMs8T8WV37qcxHkOT8xzgo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )