INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '12a383f326403b3a43d3705c4380fd68efa4c4924e7bc2d2d87854529ebbcb6f', 
    'KkhLQjQD2fiLUpXyeaYPCxpWXj7dtg0IZP+4amL92OY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00043

Result

int(1)