INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '56728dc1956d9a7e23880b6caf11dccc79ae5a995ae2693335a763285741b166', 
    'hNXEe0OfshXikV2+729gS8eK3idGXHimC45Tq95GG+M=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)