UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/a6EvVUMSIWLZ7sKiBNJwewnEUOJMS+9YkfeP1DAxvE=' 
WHERE 
  key_id = '3b1a45210b5524a49dde36d158ac61689707ab49fe3780580056cbdd4f4d6f96' 
  AND (
    token = '/a6EvVUMSIWLZ7sKiBNJwewnEUOJMS+9YkfeP1DAxvE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )