UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UXCKtVPl8H2IggjCeGjvCAHhnhIkal57gvi43+IPwcA=' 
WHERE 
  key_id = 'a21112a64d850ea7b54bc376402a2f1871fc0b07532a5216b274830e61555c70' 
  AND (
    token = 'UXCKtVPl8H2IggjCeGjvCAHhnhIkal57gvi43+IPwcA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )