UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7GLRhd4ad7+tywTTa5JWwVfoyC+WD0qk3YmqKcFZIbg=' 
WHERE 
  key_id = '1e6237bb59587a607385ef09d68abcf5b3a158438db4d7f0349f668c0265e76f' 
  AND (
    token = '7GLRhd4ad7+tywTTa5JWwVfoyC+WD0qk3YmqKcFZIbg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )