UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'du/eDmNsUa1lB0DPSXsPFm372+2iHFvBKjVrNPiFqiA=' 
WHERE 
  key_id = '59c676fec73f92a6713eb8d6f25888920da6f227b348ef500ac0b7d51908f255' 
  AND (
    token = 'du/eDmNsUa1lB0DPSXsPFm372+2iHFvBKjVrNPiFqiA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )