UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '97g+Kr1X+hQMydRS4amLM+cpXd9NP+qethV/oHVvxkM=' 
WHERE 
  key_id = '6ad540ed1d44ee9adeb376746204eb3faecbe02a5786aeb016c792869adfa27c' 
  AND (
    token = '97g+Kr1X+hQMydRS4amLM+cpXd9NP+qethV/oHVvxkM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )