UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PfBbJq8s+OMqvwlPdndp7WqXJyT/9j0z+UH3kGa2hoQ=' 
WHERE 
  key_id = '340647eb9b84533ace6759328c42b15917fdd17c3709c5e0d1a5ac1f31531cb4' 
  AND (
    token = 'PfBbJq8s+OMqvwlPdndp7WqXJyT/9j0z+UH3kGa2hoQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )