UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'b74nq37WquOD0IOZQtWekLBgFJy9mxiZ2QygB+B/Sts=' 
WHERE 
  key_id = '81690bbc7f4b3f5aa64c14cd0d3eb78a1c3d2d1f884e63b26efef3bedc5b88ef' 
  AND (
    token = 'b74nq37WquOD0IOZQtWekLBgFJy9mxiZ2QygB+B/Sts=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )