UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'HmkjWv6mVhsdxX3dLalMmFcfmuf7KXnY+pBrvbHNkRU=' 
WHERE 
  key_id = '36338f8dfea725426a50f24198a07b478210db6684596cb0de27cc777518b9ef' 
  AND (
    token = 'HmkjWv6mVhsdxX3dLalMmFcfmuf7KXnY+pBrvbHNkRU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )