UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QkKU1M1UPyKlB81I33SaWLNfTtzSWNfn09PwCxiMELs=' 
WHERE 
  key_id = 'c4ea66b3d5ec12024cd841ec85c7cbd89f56e346751a7e7c6a81e2d8e4e8d137' 
  AND (
    token = 'QkKU1M1UPyKlB81I33SaWLNfTtzSWNfn09PwCxiMELs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )