UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qx2G4ikjYbdQCdLepQuwtA0F0T8iSjS3aZ+rozntrFU=' 
WHERE 
  key_id = '8e3644d0deb709a9813d32de7c0d11b6a270de5f54978d174c856494f506c4a4' 
  AND (
    token = 'qx2G4ikjYbdQCdLepQuwtA0F0T8iSjS3aZ+rozntrFU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )