UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fUepqsPvflqV0PT9zU1h7nOLPHnUUe4SIXlLY2ldJIY=' 
WHERE 
  key_id = 'e376046a0e1b7497ae7bef177a8203a6dcc11b65fccf1905a908d04b306f963c' 
  AND (
    token = 'fUepqsPvflqV0PT9zU1h7nOLPHnUUe4SIXlLY2ldJIY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )