UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WKLvNr1NV9tGHliqdbJdxMqbAPvUfcWsSdJWCxkjnDo=' 
WHERE 
  key_id = '6cf34366ee457ad8c3ceff52c29718b3f3094838187787ed013d16fafc27682b' 
  AND (
    token = 'WKLvNr1NV9tGHliqdbJdxMqbAPvUfcWsSdJWCxkjnDo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )