UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Nt0IaYYWCSl06FPfzqD9J8q4aFfS5DeM9jbBWiuPULo=' 
WHERE 
  key_id = '3747506d70fa86c9c5f490789cba2be86641a0aa36bb79c384d89d9b76769b2f' 
  AND (
    token = 'Nt0IaYYWCSl06FPfzqD9J8q4aFfS5DeM9jbBWiuPULo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )