INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '991814beb2b3b56044ad9444d1c6921169a3aa342c4702d22f017e50d210a902', 
    'xt/S7Y0FtAdXA1YnVyd0Tiy9KAAcJ7e+1BrdLn14O0Y=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00032

Result

int(1)