UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4RKv40i/uYEbwl4rJkvOsV0agES80GSRa+0+wIXCKVc=' 
WHERE 
  key_id = '0b42d59894f3121d34042f9438f2b81a1875159bf3155931e32e21c362b5ed46' 
  AND (
    token = '4RKv40i/uYEbwl4rJkvOsV0agES80GSRa+0+wIXCKVc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )