UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4HoViv5LUdwaz5H5NDkenpNPWX+iYBqa0RODAlFtDkE=' 
WHERE 
  key_id = '3023790af83f9eb874ef1a9344951098139a1823406aa8aa8c4f8b7fa6e8c968' 
  AND (
    token = '4HoViv5LUdwaz5H5NDkenpNPWX+iYBqa0RODAlFtDkE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )