UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MUWZbJXdbsH63NwsoJ5McLBhiAedGkCDZP/ypb1jfxA=' 
WHERE 
  key_id = '57a531b15dba5fddc3d66206a3417754371c1915f9888b2a89f456741d59a986' 
  AND (
    token = 'MUWZbJXdbsH63NwsoJ5McLBhiAedGkCDZP/ypb1jfxA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )