UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gxZ9yWW26VW7cWLsiVw3XPJinZKF53whv4EPdGBKaOk=' 
WHERE 
  key_id = '50ea7507f1afe66690f79c6d2be2deb94bbe108d11213e6d8dfe86e029b6ba72' 
  AND (
    token = 'gxZ9yWW26VW7cWLsiVw3XPJinZKF53whv4EPdGBKaOk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )