INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '389b8065ea6088fa42f13919919667e39e48a1bea10741e07a00a3c3fce29b0a', 
    '3mSto7aneE0WdRZjKkHaJFB1VIYrq8xXIIKHvNlULVo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)