UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Zbzd+YjkKb7evVmf3XICiVnqADi6xZjcrpChmbexRgU=' 
WHERE 
  key_id = '93ee77a8c0b7d0098bace65acb7e3035827b52f5024f7e85971643c1ff8778c4' 
  AND (
    token = 'Zbzd+YjkKb7evVmf3XICiVnqADi6xZjcrpChmbexRgU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )