UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MDPwls9mxp+y9KD/IWMxsVoj0lXkgKJusADm/t82Oik=' 
WHERE 
  key_id = '8c0778a9a05a18f76082f2cb1f9f6b8ff40e3ead1048501d9475467be7ee6a42' 
  AND (
    token = 'MDPwls9mxp+y9KD/IWMxsVoj0lXkgKJusADm/t82Oik=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )