INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '4ebea21bd57d85705e693edcfac0d5ff897755e1512f295163216471ff294448', 
    'cNU2ZlDaKwIAe7cCoO4jG9OA5YVLcGKboMtcfQq5gqo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)