UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'E6Utw/iXjkJmrw92ZDBjiwLVwxTKes7y8FTOA/ESYWE=' 
WHERE 
  key_id = '546ba0e9eacd760c659437f19de24c6c077fe5e192cb06cfe6c6c037819f74dd' 
  AND (
    token = 'E6Utw/iXjkJmrw92ZDBjiwLVwxTKes7y8FTOA/ESYWE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )