UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9/PuLA6+6z8EMXFUfv5sb59ozwu4SCJV2prcZRiKog4=' 
WHERE 
  key_id = '29e9a7959e7b884a3a97438c67cff6295524de6c9eab683e3d5a8676e4b83401' 
  AND (
    token = '9/PuLA6+6z8EMXFUfv5sb59ozwu4SCJV2prcZRiKog4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )