UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'hOutwIxnsaO4FlOlGMJBLZy445PRd1CFUJLih+cVETc=' 
WHERE 
  key_id = '21184fbb750f8809c49bf8c37585945249d3c3c818687c6a9d764b5ff3a31407' 
  AND (
    token = 'hOutwIxnsaO4FlOlGMJBLZy445PRd1CFUJLih+cVETc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )