UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tzed0V07pcN38QH0fJEhBB57vp0qs1hPtNoRuGH4xyE=' 
WHERE 
  key_id = 'acc95531246f51164b371cd3fecb43376eb8120fde542746210310acedca1ce8' 
  AND (
    token = 'tzed0V07pcN38QH0fJEhBB57vp0qs1hPtNoRuGH4xyE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )