INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c6394772ca175e66bbb8bbfe8064bf54afa3e3301d64a786610523af8c6fc714', 
    '9VCbbMa92WhwhxdehrukBVzhini8j0BsiCM1HMLkP+M=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)