INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '439be4803d24eecb786af41c5548002921090a706926fb6eb99e9c0ef8c218b6', 
    '6zwADOWTJRz7VMw7XeRD/+JW8EGSwHmQyxvpDsepA9o=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00044

Result

int(1)