UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bBq6iRCEvAjZQSU2m4VswIKe3NbYz497B4MhYoFjq0Y=' 
WHERE 
  key_id = 'a4ff732b1601b68b6b478cb6a376837c7dab9f41594bcb49505bde46a7172b38' 
  AND (
    token = 'bBq6iRCEvAjZQSU2m4VswIKe3NbYz497B4MhYoFjq0Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )