UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'z4HpEkVJbYtKoZYZAkt2uB+FYX6BDaEnkopQ2GkrCd8=' 
WHERE 
  key_id = 'e6dd3d66888fca7a798a5a8067037c35139992b5a63352d4381b432b55bd06ed' 
  AND (
    token = 'z4HpEkVJbYtKoZYZAkt2uB+FYX6BDaEnkopQ2GkrCd8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )