UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cQaYhjUHy60laTlFLcauxV1nlcpFMWHbfk2CDYZgTqw=' 
WHERE 
  key_id = '786efd817cfaa853755f51b55273140139bb03b9feed020bf048c648d97141d2' 
  AND (
    token = 'cQaYhjUHy60laTlFLcauxV1nlcpFMWHbfk2CDYZgTqw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )