INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '76cb3d14a308c531dbb13a504056e606651c1b4cef7dfebf070d971e333d25d3', 
    'RQHtFfwuUcBRmiBTiHPR+fMQ7aH77SmlHjHIuYFIijY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00070

Result

int(1)