UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/WvLj/ggQuYstm1V/rLio1XtP/v9uvs3D1UU4qi+EZM=' 
WHERE 
  key_id = '81cd27aa434219f52b86aaf275676394447aa20b7d9158c5259ab4508bfbdd31' 
  AND (
    token = '/WvLj/ggQuYstm1V/rLio1XtP/v9uvs3D1UU4qi+EZM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )