UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZkTqTzt3nRT6RhASeC8kMoGQLr/JRZBwAhcQWxAYNuk=' 
WHERE 
  key_id = 'b4f883e434fb9af852e469e2b172a9b39a303b2d9e56e03fa76165b8e2cc5242' 
  AND (
    token = 'ZkTqTzt3nRT6RhASeC8kMoGQLr/JRZBwAhcQWxAYNuk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )