UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Kx9eQUhudAi9DTHel0BlOKvoYL35x9DWIoP6px1etdY=' 
WHERE 
  key_id = '56d65d4e2d3fbc71bb315813b4494aee863287c8f2ff7cb469fe7559be3daaec' 
  AND (
    token = 'Kx9eQUhudAi9DTHel0BlOKvoYL35x9DWIoP6px1etdY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )