UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'C7hoDIiGxk+vpZscNTOzAv2kn9Mcaj8yWdnnAWiK+uw=' 
WHERE 
  key_id = '8b242bef64657c5fcff2e6ef12f3170df25eb8488dc47dc38f968c4f841e92b6' 
  AND (
    token = 'C7hoDIiGxk+vpZscNTOzAv2kn9Mcaj8yWdnnAWiK+uw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )