INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '975b788c23651270a35c03d313941aeaf0d1369dcd8604384f8616a5afce0519', 
    'KOM7rmyzR0QZHReYLdApKgwya1WokV7rtIQhP0yT09U=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)