INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '303d1db63c1542cccf25064c3ea58172e9c5b37f75d112af3737fe36b75f5fd6', 
    'tQTQCnWOffZCEvPnH8s/lm7hvzZhXR/0eg2co8Ih5h0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)