UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/W3xMO2GrxQXWQgVC9KDe3f/Oa1+SO4t1NN+MX/wdlc=' 
WHERE 
  key_id = 'd26a4a5e375eb90a46bd516588b53a7a04be038b5615355bb7f357d4745d3c7a' 
  AND (
    token = '/W3xMO2GrxQXWQgVC9KDe3f/Oa1+SO4t1NN+MX/wdlc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )