"Living a lie."Giants catcher Buster Posey, owner of one of the better sports names, led off the bottom of the 2nd inning with a single off Mets starter R.A. Dickey (6-3).   He moved up to second base on a ground out then over to third on a wild pitch.   One out later he scored on a double to deep right by the Kung Fu Panda, Pablo Sandoval, and Tim Lincecum (10-4) had all the runs he would need.   The Giants scratched out an insurance run in the 8th off three Mets relievers to make the final score San Francisco 2, New York 0.   The game marked the first action of the season for Mets center fielder Carlos Beltran who finished the night 1 for 4 with a single.   All 6 hits the Mets got off the dominant Lincecum tonight were singles.   Timmy was special shutting out the Mets on 110 pitches, walking only 1 while striking out 5.box score