UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eRuK79/vFllb9cZ0z5hzTv5IFTD1kp0bRKbXZYeoQAo=' 
WHERE 
  key_id = '845342e4a936fa1e74cd004678792754eef1d028c43a6a0c39758500f0d4fc72' 
  AND (
    token = 'eRuK79/vFllb9cZ0z5hzTv5IFTD1kp0bRKbXZYeoQAo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )