INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6639f9adea447d392e393d234a6a3758f57e9a05bdad2f473023a573e15ca5bc', 
    'RdL697qUPJqqJvCB8WHJ502zBp33yQkkcIcv4y9UvBs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00032

Result

int(1)