UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'J+LDoFix8kc9z6R6DdI1IHXrrj5/ZMg/3MrLPBKABLM=' 
WHERE 
  key_id = 'd8393c90d902e2076e9fe2fa81ed1fc5344bdd1dfa00e8a02455260091551c28' 
  AND (
    token = 'J+LDoFix8kc9z6R6DdI1IHXrrj5/ZMg/3MrLPBKABLM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )