UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+4tXp+xkatEndXsm3ZeRfyTmxasEhUyH4FKzB0D8bXA=' 
WHERE 
  key_id = '46a93b6049408cd42bd49c767f1c6e708f92c9bf5e7492a4633e29597c4857c7' 
  AND (
    token = '+4tXp+xkatEndXsm3ZeRfyTmxasEhUyH4FKzB0D8bXA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )