INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c8a8bbd50760d6722d4c95b6651644efcf9a555096d3e122f2eb7edea3662697', 
    'M1g0lwa51EWBjkHObYv87A+p7SNUbQT7JFDm6H9IkL0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)