UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pLaCP0QjVWGqxzOplV589MayBihh68mm29Y3EHleA/k=' 
WHERE 
  key_id = '55749435540aae8557bc72563ca439c1268297b211fbfa06a98fa9c54340400a' 
  AND (
    token = 'pLaCP0QjVWGqxzOplV589MayBihh68mm29Y3EHleA/k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )