INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8821c7890641a432daef835558e5f54b34928403c43183d1f59dbdd473bd7590', 
    '4iI6msN7cDyOkAJXewpzn+fLdj7HutKIp0xwmMpGJpk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)