UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PUttcxqboCQnfuF5AB2GzyidmFzg2E4r7RzCGgxPZhU=' 
WHERE 
  key_id = '4cb5634996724197e19cc37abcb910441f7b6e8fee79a3441461c19f41bb8d4f' 
  AND (
    token = 'PUttcxqboCQnfuF5AB2GzyidmFzg2E4r7RzCGgxPZhU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )