UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dL9twLbTjw8NlGjktX7OAEiEtXzrCKgyD2dHIBuz+pw=' 
WHERE 
  key_id = '6f45fab9c662058134b10cf8429581b34c8e41fa85cb60501b575f7f039b3590' 
  AND (
    token = 'dL9twLbTjw8NlGjktX7OAEiEtXzrCKgyD2dHIBuz+pw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )