INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a61a46790dbeaf79d6635902fc08a07851bdf2d8f1e04959fc9d117018ed603d', 
    'M+onpIptOvByEK4MJKYjvjs+e6880jSW4bLkub20qSU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00018

Result

int(1)