INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21cab027d4161a0ed6563db471087438d2cd3ce7c30cd73cee034f99757e59db', 
    'i10n/kMwwlGJvQqbFg//45rBEGgOUq2XEFZWahLTWN8=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00042

Result

int(1)