INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '3648fddce2b1a7d403a4083b772edc5476aafd4a2631ea1d704890864d6a2fe9', 
    'DTN+8qG5MOQtB6MiaiQWsjiCBjzja4XledovZt17O5U=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)