INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '302c48f271c27ce1fa286b5e675566922988f35872b7e69cb701b448890b3888', 
    'timY1bcAlDVpvFpIoX72VRjuPG9qIwWh/IJkHI48TTc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00024

Result

int(1)