UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RdTKr/2aDFmJU6ompWTUfi4XN5bU1YalHEKcEHgfaS0=' 
WHERE 
  key_id = '989538633a5b4de899c9a7e6dabc120446bbb85ad6eb07012933908598ce2e9b' 
  AND (
    token = 'RdTKr/2aDFmJU6ompWTUfi4XN5bU1YalHEKcEHgfaS0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )