UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VXUn6Zo+GmY0yBJScEz9xNgMP7mOiTT0z7wGxK/erJY=' 
WHERE 
  key_id = 'f34fb72749b14f7ddf0442e3fca685649e3deae4c709e46c36353dcf41938371' 
  AND (
    token = 'VXUn6Zo+GmY0yBJScEz9xNgMP7mOiTT0z7wGxK/erJY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )