INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '539fa10f5f10f785961454dce9b4dfdb0529b6463c542a435e229b65cc6754f3', 
    'Xv1KG/73tZN7wQJZki3JYOLVu9dK99syeP0YZIvImh0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)