UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vN9m41yQ4J2YzIAxzZS3LLe0xacd/ayQatXSEu8OuJI=' 
WHERE 
  key_id = '50c7d36b1d561d797e40defd6df13eb16c9cbd9acab5b41beaab8617cbbf453b' 
  AND (
    token = 'vN9m41yQ4J2YzIAxzZS3LLe0xacd/ayQatXSEu8OuJI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )