UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mY5UOKzhCMnIcaJ8iN0/NDGf7u4Cy4NtSSoTUIu+O24=' 
WHERE 
  key_id = 'bdab62af809ec8b7916fb680a9b3dad39e959914b8853197e7d7586974dd4e7f' 
  AND (
    token = 'mY5UOKzhCMnIcaJ8iN0/NDGf7u4Cy4NtSSoTUIu+O24=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )