INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '50c6e76146496472601d2f613dcd80d22454e4045056e8d8dcdeef0aa8247d31', 
    'DS2lJFCvtvjo0oYntSX6vVDPHWcH4Esuf4UCZI7dmEE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)