UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ar2b72qnyb8qXcTscxLerMt+j5HD96l4N8ASsvHelFI=' 
WHERE 
  key_id = 'b63ca816b7e85c488a201addaf4bda11d59759c1a7c8109454b236af6ab74cc1' 
  AND (
    token = 'Ar2b72qnyb8qXcTscxLerMt+j5HD96l4N8ASsvHelFI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )