INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '50391acf9494ca64a0b1b92457b1243986ecda6b77e63442f9e958b22f5ad33a', 
    'EapQXzdP80uRv2YR3KFPa4ULpRwhaT95sdYTvZ23IiM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00032

Result

int(1)