UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Js2t1rcpyiofYoEexrvWt3RCjaJEwv5C9HFK0o+H7eE=' 
WHERE 
  key_id = '7de9b0de47c41a3b550036a7b6ec6af2e49b426793032010593172f53421e8b8' 
  AND (
    token = 'Js2t1rcpyiofYoEexrvWt3RCjaJEwv5C9HFK0o+H7eE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )