UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'hguL6s5BMMftthJ7ydsEH7siANjodsP3EWh3DAekd6w=' 
WHERE 
  key_id = 'd12900d351d8691cb41ad07bc334e553e4784d336be0ce6d05c35d6e395a3ee6' 
  AND (
    token = 'hguL6s5BMMftthJ7ydsEH7siANjodsP3EWh3DAekd6w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )