UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TK6FQ9EdUApuMAEMfAj5+9Mp0WcbeRX1ZODzDXqIr3I=' 
WHERE 
  key_id = '4daa574a312937709e36b859d730b105815c80174d360f19dfb465ab7297b2b3' 
  AND (
    token = 'TK6FQ9EdUApuMAEMfAj5+9Mp0WcbeRX1ZODzDXqIr3I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )