INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '539cf6aa55bf990be813f3724700dfda69d48734e7a0485ec114931439aaa779', 
    '/rFWgmPdtG9aVaGTTg6X2BI46a1Gc4azGnJquk2Y/OI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)