UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'e2DWHKjHzmDrNEE7DkFLdN+TbrGqe4nIGnvaNqrgNJk=' 
WHERE 
  key_id = '4187ecf373c47a87b784280e455da7764b09b41c9598a10a8a98c6484b452317' 
  AND (
    token = 'e2DWHKjHzmDrNEE7DkFLdN+TbrGqe4nIGnvaNqrgNJk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )