INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '556b99a05297623dd36b807fa100a9dce1ad01a502d8e2a2f7bfdc3ad5105d0b', 
    'SHTb34SLbeWoDAngYDjC6OfvfhxtifV9GYHuDEn4Z5E=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)