UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RvB40zeiIU47YDma5AZRpZ5nRBxHfc3R008xYi094Hg=' 
WHERE 
  key_id = 'a6f195bc45e56897138b58e456a05c9c94629ef1aa7338f51cd399067d35339a' 
  AND (
    token = 'RvB40zeiIU47YDma5AZRpZ5nRBxHfc3R008xYi094Hg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )