INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '5387764ed4b1580d217b59e811a313dd6589318d45500b1c6184d2370aaf8d06', 
    '3/jhrxX9iqQ3HVM3GoOFjFwZVKw0mgHjks/d61okngo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00043

Result

int(1)