INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '198e415fc2c4da677e3d15aa8a51966c46b88b8642d5778311073ea4d7da9869', 
    'MTS185cJJ07yrIcqeH9iNTcz8U0nHkQ4UturElKZfIY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)