UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WkjH0bP5ImFrcnw8UcjaSNClGSCihg5pRy9uHqrirZA=' 
WHERE 
  key_id = 'c461515caebb7c9e94947920296e174ccef3b8be401c8a0fa7ae362348db026f' 
  AND (
    token = 'WkjH0bP5ImFrcnw8UcjaSNClGSCihg5pRy9uHqrirZA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )