UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PVDnQiPERsPjSFZqTE807/mCmfM7LG5J2NWt9ti1aiU=' 
WHERE 
  key_id = 'c8f76c9ba4f932aa5994b9939e145bdaf560c86dc02d43d8e61025b71197575d' 
  AND (
    token = 'PVDnQiPERsPjSFZqTE807/mCmfM7LG5J2NWt9ti1aiU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )