UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ViwLRZoLEAuEadikjbLSvEXHrN8d9vluGfhgoz8IIJo=' 
WHERE 
  key_id = '496976d5d2e97e988a66b9907e15c085bf37563767bf8e3bf8c507e5b8d28a93' 
  AND (
    token = 'ViwLRZoLEAuEadikjbLSvEXHrN8d9vluGfhgoz8IIJo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )