INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'd51683ac81e29ae462b1fdef5e99673121d169a57d39b0599511307dab9fc21e', 
    '950hCBkht06Ojc0B05jSzfU/mgQbP3qzbSJ87D1oLjg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00056

Result

int(1)