UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a2xEHSVpPwf+zIiTEcbWdI4nZqi9EFlo2+ZAcExx6Hs=' 
WHERE 
  key_id = '4e3db0390d1d1b7926563a974e95d32ab061e2b70f48081dead97ae09f01dc68' 
  AND (
    token = 'a2xEHSVpPwf+zIiTEcbWdI4nZqi9EFlo2+ZAcExx6Hs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )