UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PPoXNvwkFPbK/tqhKFpHXQ1EG5uDPme2sX1a84U2CEM=' 
WHERE 
  key_id = '956b1e07fb4e472287a3c39e62804f8e837e34a05ca5caad0a136b796dd58a0f' 
  AND (
    token = 'PPoXNvwkFPbK/tqhKFpHXQ1EG5uDPme2sX1a84U2CEM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )