UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PkqBFKYxKZ43gYGRCFJahGyvxIJlpwCA5/ChIiOdqm0=' 
WHERE 
  key_id = '2a3dbb7779f7164855548637654e49a8055d0e7676279a77e9d0ead3a5de7c63' 
  AND (
    token = 'PkqBFKYxKZ43gYGRCFJahGyvxIJlpwCA5/ChIiOdqm0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )