SQL statement for Trino:
SELECT
*
FROM
users
WHERE
ST_CONTAINS (
ST_POLYGON_FROM_TEXT (
'POLYGON((-71.0679 42.3601, -71.0679 42.3631, -71.0629 42.3631, -71.0629 42.3601, -71.0679 42.3601))'
),
ST_POINT (users.lng, users.lat)
)
Explanation: