INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '81ac2dfed0fb3da6f79af75fba9d6afa9896251ad7fe74a0cf8d8abe179979df', 
    'nqttZ1pv2yGrv6A5bRhn1tczpz11qec0vcFZOUOKFbc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)