UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tmHomtOOgNNrcK2Op1DXnjB5ULB0cK7TJf4Kmfc4MiA=' 
WHERE 
  key_id = '834a34fdf836995f8850384f41fe2cbfbae04d18ae73ad97924791aaf7cb0a57' 
  AND (
    token = 'tmHomtOOgNNrcK2Op1DXnjB5ULB0cK7TJf4Kmfc4MiA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )