UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PkQ64Dxr/iKgCCy5ZelH1RYMw+sEER2/pmt9tOPQBaU=' 
WHERE 
  key_id = '995cbb5d2507b49ce767aea22f8541cb282788ea673876257bee2654f64fdfbd' 
  AND (
    token = 'PkQ64Dxr/iKgCCy5ZelH1RYMw+sEER2/pmt9tOPQBaU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )