UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Xa4uZfbSnFKCw+TYb5LFTNisvhcFptmoTIrDOSsEAaI=' 
WHERE 
  key_id = 'e46714be1df9b95ef251675447d998da8d304dcee895e868039a6be4ddfa5435' 
  AND (
    token = 'Xa4uZfbSnFKCw+TYb5LFTNisvhcFptmoTIrDOSsEAaI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )