UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LWd0NWiqh5eJZ5NGDOoz+cYZ9EF7VD8n4xlLIKBULg4=' 
WHERE 
  key_id = 'c3ced9ed6787be9130ce06d0f548eca0a01be5274e14dfea43911af0c62403a9' 
  AND (
    token = 'LWd0NWiqh5eJZ5NGDOoz+cYZ9EF7VD8n4xlLIKBULg4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00020