UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MUeEMNwOTXq9NsmLb6eMj8OJTxBGbHHb0BgL5jeymjM=' 
WHERE 
  key_id = '515d7984cb6a1d09cb9ad1ed40303b97dabbbe924ff9abf02a7b85e387a415a3' 
  AND (
    token = 'MUeEMNwOTXq9NsmLb6eMj8OJTxBGbHHb0BgL5jeymjM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )