INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '340ec8ad3e9f126e483e4f75595bb406d13d958116020d209bf693ddfb17c308', 
    'U6G8aTFbKFDTQBAlRKd5IPoNT0TQY7Lr9D3waH83OXw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00043

Result

int(1)