INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8b261b64fdf9eb7a7649bad2b361e6814a1e43783ed420224fb26246793a8fef', 
    'MyN5xDgmQrRVIEz66Ubcny3jYbW1TiwAS8dNbZEybUw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)