UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xtY4XRVM+0eUbQkO0IItLaIpUgMXLJiwPj6bEBKbOpo=' 
WHERE 
  key_id = '970b35fdff8e65881a74bcb5b2119e9d86d0dc95829476c07834b2163cc13a39' 
  AND (
    token = 'xtY4XRVM+0eUbQkO0IItLaIpUgMXLJiwPj6bEBKbOpo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )