UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fK9qh+13Y+rBibzNS7YecQFreZuzi2Ln5sNlHeW/Iyk=' 
WHERE 
  key_id = 'd25e23ec9dfa16c8126f65f7857810d834b492af8c684991aa018f3fff97825a' 
  AND (
    token = 'fK9qh+13Y+rBibzNS7YecQFreZuzi2Ln5sNlHeW/Iyk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00020