UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Btsr+RNsHZbPaajeFnj5gUeRRBE5HUqFGHAunIMbLdw=' 
WHERE 
  key_id = '6a90d2aebef5e6b44480046d3c328923ccc528697bb50fa74d77fd48f6ab8683' 
  AND (
    token = 'Btsr+RNsHZbPaajeFnj5gUeRRBE5HUqFGHAunIMbLdw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )