UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cZtFhckw1VvsXWJ3hjmogVfWO2SHJCS1W8xron+rnQc=' 
WHERE 
  key_id = 'f2c3dbfe6b431c9717e60847867f285ae2b17d642be8f540aec7dc98dd89cde4' 
  AND (
    token = 'cZtFhckw1VvsXWJ3hjmogVfWO2SHJCS1W8xron+rnQc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )