INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '515b538ccbd75ea934591462d44377aa0092730532f329d8f079f8f7e733f625', 
    'SdZDMIoZIqPI6HUpVT33nSTsTTsbOXFeyK6qalnzlBY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00023

Result

int(1)