UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TDaCACmH/tE52T+gWvWY6NuJq7lOoiSmGLIqE0af7I4=' 
WHERE 
  key_id = '44e8d86926cf5d3aba74c82e94d1a1004bf57e3f98575c95f9ca4b293a526cf3' 
  AND (
    token = 'TDaCACmH/tE52T+gWvWY6NuJq7lOoiSmGLIqE0af7I4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )