UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0WELGs8DK9dpBH/0l5S25WkSXWrkeFiu+eVBINk+zNc=' 
WHERE 
  key_id = '003d233b6170f4eb3e437859bdd1a61bca3addcaa09e39ac138e05bce34b179b' 
  AND (
    token = '0WELGs8DK9dpBH/0l5S25WkSXWrkeFiu+eVBINk+zNc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )