UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'td16mImTqyaBkXNoGvzVhOIohXz38iDJ1tWzrjhUZnM=' 
WHERE 
  key_id = '39039d5fa74c6e86e01cd351306a1809c8693a96c6d522de4611b586fddbbd28' 
  AND (
    token = 'td16mImTqyaBkXNoGvzVhOIohXz38iDJ1tWzrjhUZnM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )