UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9MJsTS8WCBkd8y8Zr5P0AXGVC6uHU30jmxoVYi3uiZI=' 
WHERE 
  key_id = '3964798b5a8752eb73bb2152cf7c6557c715bdad0589f23b180c9615a2a18062' 
  AND (
    token = '9MJsTS8WCBkd8y8Zr5P0AXGVC6uHU30jmxoVYi3uiZI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )