UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0Iydn9I2yfth8KITSrZatqxuniei7SQ1kK9kd1EgE4w=' 
WHERE 
  key_id = '7f1f34e90b826164d03da390680e24c70859114a95a960a433122e629a53302c' 
  AND (
    token = '0Iydn9I2yfth8KITSrZatqxuniei7SQ1kK9kd1EgE4w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )