UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a/fFoDnrEx7h2vgdxvhB/V5tBETxr3P9QrQ3IfItdoI=' 
WHERE 
  key_id = '3a7914bfdfc31cfce81b516c7faed79349b0e87a6128877650b331e7509ea951' 
  AND (
    token = 'a/fFoDnrEx7h2vgdxvhB/V5tBETxr3P9QrQ3IfItdoI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )