UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RMfIREFGbOScITuvoAGfkzy9r1cCfh/KptjIbpnpImQ=' 
WHERE 
  key_id = '2c03c3f643733a433f255483a07de07bc2a1c96714b671065188198a063da67f' 
  AND (
    token = 'RMfIREFGbOScITuvoAGfkzy9r1cCfh/KptjIbpnpImQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )