UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'q4mykBjSWXhJlaJ6587WXZ97PSSNWmqXtdlCEfPK8kQ=' 
WHERE 
  key_id = '6fbcbeec5198d3989a4cc18275cd614566392e4886c750694e0522cf120ac514' 
  AND (
    token = 'q4mykBjSWXhJlaJ6587WXZ97PSSNWmqXtdlCEfPK8kQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )