UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pGXEgbXdygbgLdqgGQ+mw6Xpn/G+xSHX2Tn4mFK0z/A=' 
WHERE 
  key_id = '4ffb8cf765eaf16db79650483af1b235740e9269199ba809092f6d6d3f1b376e' 
  AND (
    token = 'pGXEgbXdygbgLdqgGQ+mw6Xpn/G+xSHX2Tn4mFK0z/A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )