UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'O+dcJbmfmCID4OmBvVHhvC7yBp5xDwXzTPTsmmncetg=' 
WHERE 
  key_id = '6542e4ac5a2ad46412448bc87bc9dfcbffe89690b7339f93a600e816a70af46b' 
  AND (
    token = 'O+dcJbmfmCID4OmBvVHhvC7yBp5xDwXzTPTsmmncetg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )