UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gUN/fbCs/VF6Cl6TDRuVFrJt/xrTcCV+LV5NeFVafP0=' 
WHERE 
  key_id = '2a59cef004e45d62376ae4545ef9b0fa9cff5b1dcc380e639c12db5d2fc306ed' 
  AND (
    token = 'gUN/fbCs/VF6Cl6TDRuVFrJt/xrTcCV+LV5NeFVafP0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )