UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qkt8UvSqXUWs/jwlKBTvsmi1WFS5e28sHfpHys32dUg=' 
WHERE 
  key_id = '47b77bae13939eb8d38dea6708e65ff078439420b6e81f270cb5e5a5c26cd039' 
  AND (
    token = 'qkt8UvSqXUWs/jwlKBTvsmi1WFS5e28sHfpHys32dUg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )