UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PCFJzSzImw3Q6Wf49H1SQhUZBOL0pio5nagr5VjmSNk=' 
WHERE 
  key_id = 'ad8eb98a6c92259f38169dcd822888f297b3fb49f423b47dc69d7145d2c58652' 
  AND (
    token = 'PCFJzSzImw3Q6Wf49H1SQhUZBOL0pio5nagr5VjmSNk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )