UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'sL4xJhtt7O7N17gtekO46EWNUZBiFBMCOGBAjEaII0I=' 
WHERE 
  key_id = '4c74278977c541f8887240b5635925da3cef3d306138c6817ccf2a28418cb12f' 
  AND (
    token = 'sL4xJhtt7O7N17gtekO46EWNUZBiFBMCOGBAjEaII0I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )