UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'XSewnzNgj8Mmx61Sem0/QGYzd0wNkRzwY9bvgY98/tI=' 
WHERE 
  key_id = 'c782c522b01132f57f9b62edac3ef486b6d2f2b7677517cc9f1575f4f1d1fe74' 
  AND (
    token = 'XSewnzNgj8Mmx61Sem0/QGYzd0wNkRzwY9bvgY98/tI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )