INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '76390267821f7d3d68c30eaf7cda5290ee56c3c1bbfeee9e0d80e74aef35fdb3', 
    'y5RA9xJTnqU1pmJOFLQkPJhWcH5dFQQ9aZTGv34Gk/4=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00043

Result

int(1)