INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values (5254, 'EPSG', 5254, '+proj=tmerc +lat_0=0 +lon_0=30 +k=1 +x_0=500000 +y_0=0 +ellps=GRS80 +towgs84=0.023,0.036,-0.068,0.00176,0.00912,-0.01136,0.00439 +units=m +no_defs +type=crs', 'PROJCS["TUREF / TM30",GEOGCS["TUREF",DATUM["Turkish_National_Reference_Frame",SPHEROID["GRS 1980",6378137,298.257222101],TOWGS84[0.023,0.036,-0.068,0.00176,0.00912,-0.01136,0.00439]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","5252"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",30],PARAMETER["scale_factor",1],PARAMETER["false_easting",500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AUTHORITY["EPSG","5254"]]');