UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zaqj7IFD2iPuBn7xxEcLPru2gDlFmhoqAb42DyPXymU=' 
WHERE 
  key_id = 'f4126df4f964380b3a2a929276002f944520ffb1548d8b67e363726b43ac1809' 
  AND (
    token = 'zaqj7IFD2iPuBn7xxEcLPru2gDlFmhoqAb42DyPXymU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )