UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KKNQrJ05vGhXs/aDXIgwqcRzkj0JayL3gV77X3AfcPg=' 
WHERE 
  key_id = '15575d02c423947196544deb4d38d7b3059362f0bc93df379cceae11a95c76f5' 
  AND (
    token = 'KKNQrJ05vGhXs/aDXIgwqcRzkj0JayL3gV77X3AfcPg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )