UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Xyg574OpqeKYpLfHIOdvHp2EbJRXh+lsz69rHiG5884=' 
WHERE 
  key_id = '03420ef57a6251cff3b5858acc7cc28b1f9c90af7821eab204db95f5fed65c47' 
  AND (
    token = 'Xyg574OpqeKYpLfHIOdvHp2EbJRXh+lsz69rHiG5884=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )