UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Czyb0ZXtY2UXTM2/HMo5eQ1D4M8bx5TPzYp+v2LgTW0=' 
WHERE 
  key_id = '78286e559d646bd3b873c75935d81bed8e2653ba7d764fb54f7da71e706d76f2' 
  AND (
    token = 'Czyb0ZXtY2UXTM2/HMo5eQ1D4M8bx5TPzYp+v2LgTW0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )