UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zn9eMKGIqh8b8ddwkI6oGfLRd0JKSXmQF3cfFoNF6X0=' 
WHERE 
  key_id = '39012efe3fa26073767dd94b0c290fcfab742906293bfaa7f3542ab6705729a6' 
  AND (
    token = 'zn9eMKGIqh8b8ddwkI6oGfLRd0JKSXmQF3cfFoNF6X0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )