INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51599814d417e236aa38f4fd18ddf77f1a1ec2a53e3552243d4a89e788ac9c14', 
    'mDUFUhghFuk4NvzDueuqlbRLvTpVOQJpmO4DOEgOoVg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)