UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'Wq4v+XyNMyW/MncLBC608VhL9TWbkQFWRiZZweRCYxY=' 
WHERE 
  key_id = 'b8421b1e85e1543f9f6befc3af4cc684d7463aef5f185cf654798bb1b4ba5587' 
  AND (
    token = 'Wq4v+XyNMyW/MncLBC608VhL9TWbkQFWRiZZweRCYxY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )