UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'p5b9N2D0K39BXeVKG4VL6PtsFwQtSqYAoiItWedyomc=' 
WHERE 
  key_id = '789c35519ba4094e1a920df240d743a48e2a258338a839b88eb490deaeaa2901' 
  AND (
    token = 'p5b9N2D0K39BXeVKG4VL6PtsFwQtSqYAoiItWedyomc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )