INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '287e9a10083d9ffe761e1cfabdb344872468b9a87ae8b8340e9be1ce125ab793', 
    '3iHmaxS75FvberQaSjnbpcNUon9JxThy3So9izehkPU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)