UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '79UY2EMnXzQLuQu59X9I1eJwKBgeBWpFZitfQvugtjc=' 
WHERE 
  key_id = '29bee6f0967842eb44a18eef298da795759a4a2a364ab4b873a08d045c25aa2e' 
  AND (
    token = '79UY2EMnXzQLuQu59X9I1eJwKBgeBWpFZitfQvugtjc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )