UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '89FDTOGl6fLmuWzbGr14GlyAwIxhbsISuVsNKO6anQU=' 
WHERE 
  key_id = '4793bbe2d0c16fde73510aa40de436a0a1692678c5d8707f79635d5afc7182e4' 
  AND (
    token = '89FDTOGl6fLmuWzbGr14GlyAwIxhbsISuVsNKO6anQU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )