UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'hY+jEULsHSDF4wFRyryNjKXMLAorduWlMW7DPwGqnwk=' 
WHERE 
  key_id = '9dfd5c20636ad067de12f447648471d27659c654782b1e5a376c2b6b6e8d409f' 
  AND (
    token = 'hY+jEULsHSDF4wFRyryNjKXMLAorduWlMW7DPwGqnwk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )