INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '50fe4ddad5b72019de93ec312a6635b50a1608d9c42374b7dd142525f58be0a0', 
    'rel81YeyUUjvFEtUo1bxonv0i9r7fjfetApJmaYrFIU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)