INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '2603d0e286ec4fef0f610a3e5e90145128bcb988218da063bba5facf27f2661d', 
    '668w5BMFtZq7HzOkxszNpT3iGg+95th/339KWY19h0o=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00038

Result

int(1)