UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NAyhZEs6Q31BM5tlG/DwOtBH2f/usZMTMJiZon/YEfA=' 
WHERE 
  key_id = '7f438953a4625ff7cc779f8678509d170db9396242db52c88095102787adbe0f' 
  AND (
    token = 'NAyhZEs6Q31BM5tlG/DwOtBH2f/usZMTMJiZon/YEfA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )