INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'd8f4f54f2eff04ba21531817445f917f0bf991afc7209f818208ce7590ace776', 
    '7n+IZlycwBVIwtjRsU7uP2s8px7nsCtOrsbFAp7868U=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00056

Result

int(1)