UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'l0RDIIT0z3y6ASYm/v8TAykO+7saS/u1BHshvVl9DtQ=' 
WHERE 
  key_id = '3645a69795e9f01d1859feee050035ff302a1c334ffd8f21b6aa243b485c28e3' 
  AND (
    token = 'l0RDIIT0z3y6ASYm/v8TAykO+7saS/u1BHshvVl9DtQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )