UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Mw4k4IHDK4Zp5Jzwhnc1GihVs1n44KHACfVlQ3/SSqQ=' 
WHERE 
  key_id = '520871fdef854a613506940d6c6da3c13f7f408e62353576b91608429abc095b' 
  AND (
    token = 'Mw4k4IHDK4Zp5Jzwhnc1GihVs1n44KHACfVlQ3/SSqQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )