UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kjR+qCxlVblx0j/P4uC71feO4TngiFGpeit5PrwOjQQ=' 
WHERE 
  key_id = 'f8c0e3621ade910219efffc04259791144b45e1374078942f673701dbeebcee9' 
  AND (
    token = 'kjR+qCxlVblx0j/P4uC71feO4TngiFGpeit5PrwOjQQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )