UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WE79afNC5RyLSbOc7h16t/ur5O6uuV1bfLu/lx7eFNo=' 
WHERE 
  key_id = '7844c7df7ce73b88acbfd3e46aafbf1ccaa9ed922b454c404966eacd28724b7b' 
  AND (
    token = 'WE79afNC5RyLSbOc7h16t/ur5O6uuV1bfLu/lx7eFNo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )