UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'j+R4vFcrb7Obg0lM7Y1hK+BtNni+nkdyzGLHrNsenVc=' 
WHERE 
  key_id = '8bd21d52c75401ac64c3f1938cce8f84973047ae8a8a2135654ec870069bf18b' 
  AND (
    token = 'j+R4vFcrb7Obg0lM7Y1hK+BtNni+nkdyzGLHrNsenVc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )