UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6z4pjMBN48rohAlYxcy4JqCrz15pae4/QfsZ5xYBLcU=' 
WHERE 
  key_id = 'da3c86e76da5713670b3662cf33df8e2738442c201801275650982df0bc02457' 
  AND (
    token = '6z4pjMBN48rohAlYxcy4JqCrz15pae4/QfsZ5xYBLcU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )