UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'juhnMdnAu7Ja/7LH9HqjqIvilkdIe/KfbAQZJMdBSC8=' 
WHERE 
  key_id = '49a26985753037306838f41f6053f58d0cbff337b2565247da210c330d2574b8' 
  AND (
    token = 'juhnMdnAu7Ja/7LH9HqjqIvilkdIe/KfbAQZJMdBSC8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )