INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '81c8543f3bc41c93bfdd3a1963ba6cf15c69c4a2f563eb766c31f060ce92c463', 
    '4qQHNJ7MonWELdr+na/YlpjMXsjzakdvauyoNyVYSS0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00037

Result

int(1)