INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8d16d4b93f25cccf98aef5909329012b6cb39a1a83304dd0863a8e56babdebb9', 
    'xyknT5PPpEdKyXgVb0fvUwaoZI7+ZjIPRGOe36QZTAI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)