UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vwYeiqjujrXQrkSMItTt51qHeD5KcpyyX8RtS2E+UFk=' 
WHERE 
  key_id = '811a025144b78f695726c2cb2891388896f10437676d9c87866e1cb4954730b2' 
  AND (
    token = 'vwYeiqjujrXQrkSMItTt51qHeD5KcpyyX8RtS2E+UFk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )