UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'azGEfmo2XJLGIsdj/uNp5M6tMblY8DWwgJQvl8Np39U=' 
WHERE 
  key_id = '020b7f49179c301ca30264d84b0576da52c7c3217f48c9b352834c820556d109' 
  AND (
    token = 'azGEfmo2XJLGIsdj/uNp5M6tMblY8DWwgJQvl8Np39U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )