Change locking to use postgres syntax, fixes 'must be first statement in transaction' error
Change locking to use postgres syntax, fixes 'must be first statement in transaction' error

ecocitycore/openfoodnetwork,folklabs/openfoodnetwork,lin-d-hop/openfoodnetwork,mkllnk/openfoodnetwork,openfoodfoundation/openfoodnetwork,folklabs/openfoodnetwork,KateDavis/openfoodnetwork,Em-AK/openfoodnetwork,oeoeaio/openfoodnetwork,levent/openfoodnetwork,folklabs/openfoodnetwork,KateDavis/openfoodnetwork,KateDavis/openfoodnetwork,mkllnk/openfoodnetwork,Matt-Yorkley/openfoodnetwork,KosenkoDmitriy/openfoodnetwork,oeoeaio/openfoodnetwork,mkllnk/openfoodnetwork,MikeiLL/openfoodnetwork,stveep/openfoodnetwork,lin-d-hop/openfoodnetwork,levent/openfoodnetwork,Matt-Yorkley/openfoodnetwork,MikeiLL/openfoodnetwork,openfoodfoundation/openfoodnetwork,Em-AK/openfoodnetwork,MikeiLL/openfoodnetwork,ltrls/openfoodnetwork,KosenkoDmitriy/openfoodnetwork,ecocitycore/openfoodnetwork,ltrls/openfoodnetwork,ecocitycore/openfoodnetwork,oeoeaio/openfoodnetwork,mkllnk/openfoodnetwork,KosenkoDmitriy/openfoodnetwork,stveep/openfoodnetwork,ltrls/openfoodnetwork,levent/openfoodnetwork,ecocitycore/openfoodnetwork,Em-AK/openfoodnetwork,ltrls/openfoodnetwork,lin-d-hop/openfoodnetwork,openfoodfoundation/openfoodnetwork,MikeiLL/openfoodnetwork,RohanM/openfoodnetwork,stveep/openfoodnetwork,Matt-Yorkley/openfoodnetwork,KateDavis/openfoodnetwork,RohanM/openfoodnetwork,stveep/openfoodnetwork,Em-AK/openfoodnetwork,RohanM/openfoodnetwork,oeoeaio/openfoodnetwork,folklabs/openfoodnetwork,Matt-Yorkley/openfoodnetwork,RohanM/openfoodnetwork,levent/openfoodnetwork,KosenkoDmitriy/openfoodnetwork,openfoodfoundation/openfoodnetwork,lin-d-hop/openfoodnetwork