UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KyFsVSwJ+gqkY5TQD69ngrQgix8qF6ynG0vbcrWH+T4=' 
WHERE 
  key_id = '4b2ccf0ce732be5c93ae656c13fabc91f792aa09bc816574738977c89381248d' 
  AND (
    token = 'KyFsVSwJ+gqkY5TQD69ngrQgix8qF6ynG0vbcrWH+T4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )