UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'akk+nqlCoUe/APvatRbsrYb6aAhNdYy3a9TMPzqwErU=' 
WHERE 
  key_id = 'b40dc35ad1597a3755926becae3109b8d9dae944a428c8b4dbee99a0a7d44377' 
  AND (
    token = 'akk+nqlCoUe/APvatRbsrYb6aAhNdYy3a9TMPzqwErU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )