UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kf9NxHG9XFPnIARjAZnEt89PM6N4XcXTxLL1mgjOSz4=' 
WHERE 
  key_id = '1b3ac11c3d6da51acbd353507a25a21331087017eb801247ed61b3b75fc6a4d2' 
  AND (
    token = 'kf9NxHG9XFPnIARjAZnEt89PM6N4XcXTxLL1mgjOSz4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )