UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2UYdWvAp6AFtC6Gh5vK8K8Qb9jJtPeknRBm9zQYh/dU=' 
WHERE 
  key_id = 'a6901f2a5f1031cbdfc04400756bb492ff4dfe0242f751d3bf592af783162461' 
  AND (
    token = '2UYdWvAp6AFtC6Gh5vK8K8Qb9jJtPeknRBm9zQYh/dU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )