UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r61zLp+7gDFqbycb7IDfaiJgLB3OtUij/+ck9ID5e7I=' 
WHERE 
  key_id = '472e5887cd8d961375a7b54b6641f78619a17e12d65bf4047f41dcf0b93a0bb6' 
  AND (
    token = 'r61zLp+7gDFqbycb7IDfaiJgLB3OtUij/+ck9ID5e7I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )