INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6603343aba14f325500d989f9caced1031b7576b8f9beb5e5d58523a5edad037', 
    '+4mdQYfkR0y/5oW4KqgwcbmqWe8bRZDZPDm3bIjkFuE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)