UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 't1/R6PEeOdX5hzGNZreMwTEhclp3ec5nuDzZYkMYkzs=' 
WHERE 
  key_id = 'e4eb48a1b50373ed9ebc38e821835dd8f303ce337f996189d20c5f57a58ad587' 
  AND (
    token = 't1/R6PEeOdX5hzGNZreMwTEhclp3ec5nuDzZYkMYkzs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )