UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PezIbJuAAciwTvUOvcN1qavVbjn5o7ciQpgemF1ia5Q=' 
WHERE 
  key_id = '48e70ef506456447ae5012e6bade09a7974fcace2fe9830376fe9a7e54743860' 
  AND (
    token = 'PezIbJuAAciwTvUOvcN1qavVbjn5o7ciQpgemF1ia5Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )