UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'l81tZCeVslc7F9aui/Ugp5+ldxE4wPIEDuMrt4QASSA=' 
WHERE 
  key_id = '4326b7cbb378f22730785ceaa9baa051c8728ea8d8a6ecab15d1f02a4f988ba2' 
  AND (
    token = 'l81tZCeVslc7F9aui/Ugp5+ldxE4wPIEDuMrt4QASSA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )