UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7GGgIlJFuCxFVsk3K+CNN0X7srG2E/cx1m1BECJq0ZI=' 
WHERE 
  key_id = 'cb8d6bf798659a3647c6910ca5c8b440959f108c92ea98c4043292ab7d6e9571' 
  AND (
    token = '7GGgIlJFuCxFVsk3K+CNN0X7srG2E/cx1m1BECJq0ZI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )