UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BDgVWykZBDPymgeBnhbGSYDKO5IFnPihFhBhbzYriEk=' 
WHERE 
  key_id = 'ee1326a92b33f86eafe3d764d32d50fd7979778727bb439e9b6b83d838adc520' 
  AND (
    token = 'BDgVWykZBDPymgeBnhbGSYDKO5IFnPihFhBhbzYriEk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )