INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '39715be7e18a31ed9195cec4734d4bc7e65027515b2cdf6bac82cfc466f11474', 
    'mYL5u4D28wzcXynWpdbQazNzi52vJjLhy0/OoSWThLY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)