UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RXS8GIBjZ5l++mEGCYc2BYKnpDHqEqNVa3VkqUWcGMk=' 
WHERE 
  key_id = '2e9b8cfa9338d753cdeae50ea513b81977b6fe23c3177f2af1ea16a8af18ac68' 
  AND (
    token = 'RXS8GIBjZ5l++mEGCYc2BYKnpDHqEqNVa3VkqUWcGMk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )