UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n6f/1YjaJ6rfgT9dEk0A2I+T8npCTGxpqqhZmQtjO1A=' 
WHERE 
  key_id = '979b887bdd43bf4dba0a8de30bbc31c3e8f543e8f517da5498c536271738c1d0' 
  AND (
    token = 'n6f/1YjaJ6rfgT9dEk0A2I+T8npCTGxpqqhZmQtjO1A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )