UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PEX4Uw0GPVyrWaqVoQ9suK7nciWFBF0upTRK9KCIlos=' 
WHERE 
  key_id = 'c43f19c85abb61aef05b2ef33e224b11231894fbfc569e5af72eb4e2e49d4c79' 
  AND (
    token = 'PEX4Uw0GPVyrWaqVoQ9suK7nciWFBF0upTRK9KCIlos=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )