UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'f620N9YFXx+9rCj3qajosMlvy4VIwjYXzsjx3mwMTG0=' 
WHERE 
  key_id = '6dd5b325cc452063229b5bcb93585024df0de20dc1dfd405d5d3250178151b82' 
  AND (
    token = 'f620N9YFXx+9rCj3qajosMlvy4VIwjYXzsjx3mwMTG0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )