UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iojt2HUbN2kwTkUD758Xb6wx2cMozX43HGkKDumAxBQ=' 
WHERE 
  key_id = 'af8c171132609140619a502d305f531b4183e9a0dfeb9dfe6598007e3948bac4' 
  AND (
    token = 'iojt2HUbN2kwTkUD758Xb6wx2cMozX43HGkKDumAxBQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )