UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Olq/T9niDZZaOGrPXI4jkPb+LXavZEzMpnsZ2uf9irE=' 
WHERE 
  key_id = '91a5a16b36158c2928872d7093e030504209da6cc336e30d435be8f8067e44b6' 
  AND (
    token = 'Olq/T9niDZZaOGrPXI4jkPb+LXavZEzMpnsZ2uf9irE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )