UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KVSr9Xj9um8pMvFkSok56kk0xzn5Z5C3GbFG6mXYkzU=' 
WHERE 
  key_id = '9cb019051f6f99cbf528bb52b5f9de8f2865f4476a52818872870f4ebea16a16' 
  AND (
    token = 'KVSr9Xj9um8pMvFkSok56kk0xzn5Z5C3GbFG6mXYkzU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )