UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Rf1XDSYQ5b3VlxWQ5B8Yh8Iw/nhrw9BhGCV8tamFrlE=' 
WHERE 
  key_id = '300ede23ac6e07d77a45814e03582bf659a1c73ace2db608c3e05e2afee56952' 
  AND (
    token = 'Rf1XDSYQ5b3VlxWQ5B8Yh8Iw/nhrw9BhGCV8tamFrlE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )