UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5mrsPWnKpcTQoyHe2aaGrJhOYbBvfmn4tsWzad8o9+U=' 
WHERE 
  key_id = 'e9d93b36186d5b04506561e1171e5efb2b29a664c8426a215a9165af45c2d77d' 
  AND (
    token = '5mrsPWnKpcTQoyHe2aaGrJhOYbBvfmn4tsWzad8o9+U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )