UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PZkbngyTYi37FnycRNl6Z38dN995JlCuIDxs0kszhmw=' 
WHERE 
  key_id = '8b136a00ffa728c529d0b64a53534e9182158721dbf3f88e9da982b2575947f3' 
  AND (
    token = 'PZkbngyTYi37FnycRNl6Z38dN995JlCuIDxs0kszhmw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )