INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51e883c3481ea9359a889934d4333a03ee8ea39c8943e793dcd2bb3d4e959962', 
    'gn99VlS9iXVvY/3xM9oHt8lj49FoxU4OhNj4ZNi93lQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)