UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '81uJauDwFLYLX2vfjgRR97vPj6X456HXOlQDtTLl/m4=' 
WHERE 
  key_id = '6908a774df4d1d96751d830db47e72907ad5119cd1290fe092dfec11a931b606' 
  AND (
    token = '81uJauDwFLYLX2vfjgRR97vPj6X456HXOlQDtTLl/m4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )