UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/zpvt2vsvrzcZ64z8mVxWzeSPK9lA0JqxyCXTTvxPgU=' 
WHERE 
  key_id = '615451fd68f32b95d1373ba6ef99eb808892836ccd1257597cdca991ad0f6d7b' 
  AND (
    token = '/zpvt2vsvrzcZ64z8mVxWzeSPK9lA0JqxyCXTTvxPgU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )