UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/slMQonKIvi9zP5tlit5bMcqts/0tzmlbYv6Y2JrGPM=' 
WHERE 
  key_id = '749808f59ced1b530d0c31e6682f318f3db14c909a57e01c19afd70207034da7' 
  AND (
    token = '/slMQonKIvi9zP5tlit5bMcqts/0tzmlbYv6Y2JrGPM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )