UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Dz+GfMazziXtMu68GnMvSIwgtA74ngfoP6RsF6+32D0=' 
WHERE 
  key_id = '40fc9738627d83117783a2271eb462e467f2d5df921176f336fda7d04b017c83' 
  AND (
    token = 'Dz+GfMazziXtMu68GnMvSIwgtA74ngfoP6RsF6+32D0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )