UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'D3+6xiy2t/ZOewXMyf+UAkGR4rmNuhtQWn7j3+bbmCM=' 
WHERE 
  key_id = '6918464a126848e7f30aefae5c568a3a4c54d44cc2458736a17a92b0563a9d13' 
  AND (
    token = 'D3+6xiy2t/ZOewXMyf+UAkGR4rmNuhtQWn7j3+bbmCM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )