UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R52Njen4ftmVtURWqaOZipTQxrrLowEhvFCkLK7AocM=' 
WHERE 
  key_id = '5030f9cc30e4eaeb15835922403dd0a49915996be808226ab293c27efd77363e' 
  AND (
    token = 'R52Njen4ftmVtURWqaOZipTQxrrLowEhvFCkLK7AocM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )