UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QFCtfERRL4lelcdD1WXOKuV55cTlvbSyBuaIRH0Zjbg=' 
WHERE 
  key_id = '55cc9de5dc71f49ae693076364f9874f632cac643478509453a30952d1b016e8' 
  AND (
    token = 'QFCtfERRL4lelcdD1WXOKuV55cTlvbSyBuaIRH0Zjbg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )