UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5KGJ3xNYqf6BWkuNT4Z5wAFmSh2MtvbDUiVo3P5AicM=' 
WHERE 
  key_id = '5515ab020ab906fb5fb738dfbe5b6dae5841816a6f844a7d70ca06afe7ca0d14' 
  AND (
    token = '5KGJ3xNYqf6BWkuNT4Z5wAFmSh2MtvbDUiVo3P5AicM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )