INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6b756bf37c4a55958b9112f78a780feb995a6a013168791a333d9934729b5ffe', 
    'D2f1NjX0m7grDPcy1rhmzI+r8++15JoJY9fu52fnXrk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00016

Result

int(1)