UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+vzMcCF8+/IP7gHlzxYBBtiQeXq0kl6OwBd/2NBfhhM=' 
WHERE 
  key_id = 'c18ad3405c6f8d3d0d09f1af3f87b2137b978ccca1438c18991d637f522e2855' 
  AND (
    token = '+vzMcCF8+/IP7gHlzxYBBtiQeXq0kl6OwBd/2NBfhhM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )