UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cfE84Yp8W5i8dy8U+8tSXL6wztF4ICB369lk539aEyI=' 
WHERE 
  key_id = '4d5bb45f446de5e620cbc251fbd849e17d3d0fc65b9862f90e42bc8cbac613d0' 
  AND (
    token = 'cfE84Yp8W5i8dy8U+8tSXL6wztF4ICB369lk539aEyI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )