UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GV4cfpZf+uFQiD9n2N5SUWzPKIZ9NdoGZ7YYo4zpM3s=' 
WHERE 
  key_id = '21bc4b9b9af33d1aca7e48e4e2238a1896748da26809b2d9847eafd1837374bc' 
  AND (
    token = 'GV4cfpZf+uFQiD9n2N5SUWzPKIZ9NdoGZ7YYo4zpM3s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )