UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TB5CnMB0f+S//XBeWA3ubdaNe/NzHOnGEtAosA2YeC8=' 
WHERE 
  key_id = '970a9faa2a3dd18931fde2326fe0250a50d1df7b7ce39c5831978092745f625a' 
  AND (
    token = 'TB5CnMB0f+S//XBeWA3ubdaNe/NzHOnGEtAosA2YeC8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )