UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vTheIVidbQd2lj2SAPbY1fykOvpNFGRJgVgrE1PqcqY=' 
WHERE 
  key_id = '2a693b741b21a4bdfa172b5f521ed4561a2056d081d519c885e0669e40d3931d' 
  AND (
    token = 'vTheIVidbQd2lj2SAPbY1fykOvpNFGRJgVgrE1PqcqY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )