UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TTH0Ydvx/QLInzTv/fvTKsUu3deZaVHvZwJSZX//T10=' 
WHERE 
  key_id = 'b4a67e08101caf942e3969de55b055c61750cdfca29dee00312522697311568e' 
  AND (
    token = 'TTH0Ydvx/QLInzTv/fvTKsUu3deZaVHvZwJSZX//T10=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )