UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nkTeYOGrAfqvwjR4iEnc9qAlcxmdl0f2l0uAGbDxIJM=' 
WHERE 
  key_id = 'c8e4cfa8ee823f8c24ae7b06f6bb685e60a8def0aa6e4edba7486cf9be8a9f2a' 
  AND (
    token = 'nkTeYOGrAfqvwjR4iEnc9qAlcxmdl0f2l0uAGbDxIJM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )