UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QmyFoTjbBVh3OObw0QCdAF+bM9c9D69hsGMa7ZFuq8Y=' 
WHERE 
  key_id = '4c19a1376e145b8575b8983f6cb95e5841ff48add1109cc4b719a128e741ce1d' 
  AND (
    token = 'QmyFoTjbBVh3OObw0QCdAF+bM9c9D69hsGMa7ZFuq8Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )