UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CXCJU0EN1uFuEcPOARICs+VeJ2Yzwli69YymoJi0Hk0=' 
WHERE 
  key_id = '9847b3a7699cc66d224f783668ca2336559125238b65e9721975c493308022ea' 
  AND (
    token = 'CXCJU0EN1uFuEcPOARICs+VeJ2Yzwli69YymoJi0Hk0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )