UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '591AaLubnwFcAHyxb052S70rqC0DNcYjw+1xy8GsoeM=' 
WHERE 
  key_id = 'bb9b9d91820959c44240e8d412512e1af8a70cb524d41302dfe7dbab0931c622' 
  AND (
    token = '591AaLubnwFcAHyxb052S70rqC0DNcYjw+1xy8GsoeM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )