UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NcXD/hI87PBoFn3V5vDMRNGTyQi9kn2iXON/7XpiEkU=' 
WHERE 
  key_id = '48c384fb42f4a346e7f64ae370e947d3d478b04347cb4cd85c6f4758c1666437' 
  AND (
    token = 'NcXD/hI87PBoFn3V5vDMRNGTyQi9kn2iXON/7XpiEkU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )