UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lAdGvJdk8FG7ioCtpNJd30ZUrYYPZGz1/gKYvWh+uFE=' 
WHERE 
  key_id = '29fde31514eaeb5d67c65a83de7e8e119e776a716cc87502d7dcda3bc3dc8ffa' 
  AND (
    token = 'lAdGvJdk8FG7ioCtpNJd30ZUrYYPZGz1/gKYvWh+uFE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )