UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dnZuiVhjoLF49VO1GiPgsEgqVzlUbHlOIDQFqu4/5xM=' 
WHERE 
  key_id = '494fadf143efa0f051a4e59dfe020cd54cd5ccd83edb4c983f64c2357b618409' 
  AND (
    token = 'dnZuiVhjoLF49VO1GiPgsEgqVzlUbHlOIDQFqu4/5xM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )