UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LLG6irQiWXgJcOH04NvWWR0/Seo8mrAX/KSHC9kF5Ek=' 
WHERE 
  key_id = '55c505a2a36ed854c5f251f97118efe34cb3978978905d7ef2595b341fce4d3c' 
  AND (
    token = 'LLG6irQiWXgJcOH04NvWWR0/Seo8mrAX/KSHC9kF5Ek=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )