INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21b48dfbc7a83cc6dc8f438bd506b330b8bf927522834fb7faacaa3d6544af0d', 
    'ckhRiKNTXSS2cuoQzoNgny0riIaRlwRgh+FQKkSl198=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00018

Result

int(1)