UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RhrTohxcSWvLUBeVgUMeJVlxF8eVUEiHhIB0tNMXa94=' 
WHERE 
  key_id = '27395958d0c3435c13531e538554a33f38993279e13a4996c04330397c708b4a' 
  AND (
    token = 'RhrTohxcSWvLUBeVgUMeJVlxF8eVUEiHhIB0tNMXa94=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )