UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nSLowNkxOjyr958lwVWLm23BaOLlUx9jEa63AzHHFmc=' 
WHERE 
  key_id = '6d70a6a363d0411d727f8e06871666d5eaea966a41f375d43a4481ed5ad2b98c' 
  AND (
    token = 'nSLowNkxOjyr958lwVWLm23BaOLlUx9jEa63AzHHFmc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )