INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c21e4ee390dde0b28e6dd1297492f09809e99e237f30ead5a174d025246d2f4f', 
    'XGwv6yltLxfEsaRIeSl2bbs+HVfRkisjJHkyVTlOST4=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)