UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PAvExsiBDtHtN7ySoBR6sp3icQ7BAu5OEvB5BPPEhl0=' 
WHERE 
  key_id = '1a3afd575dcc0021574613c3a9af29432fb5b45b734207eecc9d895d934cfc3d' 
  AND (
    token = 'PAvExsiBDtHtN7ySoBR6sp3icQ7BAu5OEvB5BPPEhl0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )