UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gG6E6JuVgbprCPJSR3u+VFuAHLEi+nfUtMdoq40D33Y=' 
WHERE 
  key_id = '9647bfd9600cb7c17c6253c15d82596394997c3df8c5dba0e4be131625d85829' 
  AND (
    token = 'gG6E6JuVgbprCPJSR3u+VFuAHLEi+nfUtMdoq40D33Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )