UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zdlNRv6vdvZibSkW/K3aUE7gT7RwIHde5xN8UAXYN34=' 
WHERE 
  key_id = '6e09c0f149e4448dee2661c287790346363be96f98933437e0de5e15cce68db8' 
  AND (
    token = 'zdlNRv6vdvZibSkW/K3aUE7gT7RwIHde5xN8UAXYN34=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )