UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vz2LftrYmJmaFBTAfYADrWBVnXiKgXmbKFxDygXevVo=' 
WHERE 
  key_id = 'ca6cd793157f4e0781e2565b956244f3e621f9c8a8d2695615793882d8486289' 
  AND (
    token = 'vz2LftrYmJmaFBTAfYADrWBVnXiKgXmbKFxDygXevVo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )