UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Cdhs53WPsmSgUQbj2lM7DqhH0dqTuimqyfArBHBOrjY=' 
WHERE 
  key_id = '46753fe09af9456820f094389631b466397e07670994e19d3eec7a99eb3cdd05' 
  AND (
    token = 'Cdhs53WPsmSgUQbj2lM7DqhH0dqTuimqyfArBHBOrjY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )