UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'e2mDzqY+I6JQf9qrMj0PRUlpSElQgPhPuPhRvvhG2DM=' 
WHERE 
  key_id = '83575ebf451c971a72ee875d31e1d6ae35c218f69682a8a9b2e47cc788cd5955' 
  AND (
    token = 'e2mDzqY+I6JQf9qrMj0PRUlpSElQgPhPuPhRvvhG2DM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )