UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0g2XwYt4UOtrTysDzPgeteaqTROh7QTkW+37syWVsY4=' 
WHERE 
  key_id = 'a6f2f0c859cf4a4f384bfb74b0d164aaa4fcd24c83edc7d75acc8d0ace75122b' 
  AND (
    token = '0g2XwYt4UOtrTysDzPgeteaqTROh7QTkW+37syWVsY4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )