UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3RndgDBo4zX7vwzUZaQfDH22rqPCs90dSkP+jwLr9pY=' 
WHERE 
  key_id = '991ccc204ff5e35b40bf8adf93e7569d67dd89303c0fd9595667faeb2296972c' 
  AND (
    token = '3RndgDBo4zX7vwzUZaQfDH22rqPCs90dSkP+jwLr9pY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )