UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BTkG+37Nn2NUnCin1iKGEukZ0Eexb4E6ilVdILp4qPU=' 
WHERE 
  key_id = '852dba7bf937acacddc53e253e8b8654c7330558b55838a849293292d187aa3f' 
  AND (
    token = 'BTkG+37Nn2NUnCin1iKGEukZ0Eexb4E6ilVdILp4qPU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )