UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WecYVVXez6obQ7WILKcIiuWTiVODSV7jbeMCsGRrW5I=' 
WHERE 
  key_id = '75819a77d42598eb24aa4a3e26b23c4fa471eb4e27928c31527df6eaf725869b' 
  AND (
    token = 'WecYVVXez6obQ7WILKcIiuWTiVODSV7jbeMCsGRrW5I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )