UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '21In4h7udG8mEX825EPCZ1VP0eviZyZkaQ2lX/g+IsY=' 
WHERE 
  key_id = '2f042a42c37e406e9d6e5666f976906074e9ec5882dc57d97b49d15aeefba116' 
  AND (
    token = '21In4h7udG8mEX825EPCZ1VP0eviZyZkaQ2lX/g+IsY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )