INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '818c48360dc0540b2870969911d9a66fd305f05ab56de84ed246ce4df0d928f9', 
    'k6DJsu3tNQyj6sErPnHlmYOhI5Js5NCq4BrAx18DdME=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00020

Result

int(1)