INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '15a0a15f534da719c4d8db8d93839b4b31d9a5aa7f73fc4aff83f3912d95513b', 
    '3VoIEI1XepWgFm6Z8Bt/ktv6vcU7BwYgMT1pnSNWddw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00024

Result

int(1)