INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '15cd4a95034306255bef375504e714f318e2bbfa64406ea134db02e7050502ea', 
    '7c/6yj3xbJNMJ3uhFEs2ZuG/bgAGVeTXmBmVwzsMGnk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)