UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iYS1sM4QloJvB/PCvOq5XauHpor1nWoUUdy+p3FnGk0=' 
WHERE 
  key_id = '68e94459c7342660e26c1e9a3cb79bb495c3bef4794b8c91b6d6ddcdaf75d442' 
  AND (
    token = 'iYS1sM4QloJvB/PCvOq5XauHpor1nWoUUdy+p3FnGk0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )