UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iTn0YJ/in9KcstHG6KMqe6KTKj9KL28XbFFl8DF8CR0=' 
WHERE 
  key_id = '574f2a230533c56f94a397c80053559afa9af3b999afce5a65fd9be0b8fecfa9' 
  AND (
    token = 'iTn0YJ/in9KcstHG6KMqe6KTKj9KL28XbFFl8DF8CR0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )