INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '3842460c52c6eb7d7239ebf972a074b9542eeddfe66bb77d4dd48db6d4368ff3', 
    'hU6X3GpxLn5cFUzKi7IyOb11OZj5wu2E5mlWuS2Xu6Q=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)