INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '5391d4d6313578311bd76f791b6f058f83b515ce3d5e33f476cfd5954a7ab499', 
    'kJUxGoDG9H+v4SKNKB5yefWpXewWoieZDCiI6bf0098=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)