UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8DDMjiT6LuYoHG3C6JaJh5xwANhSGQUypWnWoz2GRRc=' 
WHERE 
  key_id = 'cb9e25ab2e7ea56d9651ab7cf2745c8c63b7305cc7d0a73dd754c506010623ed' 
  AND (
    token = '8DDMjiT6LuYoHG3C6JaJh5xwANhSGQUypWnWoz2GRRc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )