UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'i6DcaFk2S6Y+ZlbqxXk3Xred07dYD+5AzZoyNuV0jVo=' 
WHERE 
  key_id = '909d884607872ae4db1534d0173a9edfea33c50b8d317f520b3afde74c1f68c1' 
  AND (
    token = 'i6DcaFk2S6Y+ZlbqxXk3Xred07dYD+5AzZoyNuV0jVo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )