UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'M1vhkaEqk/nfVaIDStGwUOAtKj9mKltUBBYzpvdl1rc=' 
WHERE 
  key_id = '2b218f985fe1ecb8e942d88ee8a1b624fd22285026fd5ce233b665a924bc0351' 
  AND (
    token = 'M1vhkaEqk/nfVaIDStGwUOAtKj9mKltUBBYzpvdl1rc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )