INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '515517f00e7301d81f79dc5bdfdfb4595b317c732f8bdf15fc071f1020821f2d', 
    '6k5oAvXZmy6UrNgcE750NwndTW3Z0FiKUf+HZ8Vh2cs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00041

Result

int(1)