UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'K6kxssFBkd3Q3Ma0P3T0URQ3BOlzArnfOrEPkDQmjaM=' 
WHERE 
  key_id = '2a3efdc92a1091f8704628fa539def141f85140efe786ecad0af0a08c8748739' 
  AND (
    token = 'K6kxssFBkd3Q3Ma0P3T0URQ3BOlzArnfOrEPkDQmjaM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )