UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TwdRQxhiZyKq4bGFWveZPRJZo/2qE6pB3EuLTCs/FPk=' 
WHERE 
  key_id = 'f91fcc409f1a510a5ef61254e325a80b9a505f4f83c95ba30fa8cac015c31235' 
  AND (
    token = 'TwdRQxhiZyKq4bGFWveZPRJZo/2qE6pB3EuLTCs/FPk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )