INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '0600a0fc6c4a73220ef72d1b42f8496b012f65c5f5042458a1d18cacabc0acdb', 
    '6jh73su8mnaTInt2ubbq4dgQpv1ugGRyS6hJAG9B2CA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)