INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b519fb90a70730e511bd0d1a6592cddd6bb9e780fe95698bb40f9ac84a4ee5a9', 
    'JqAh8byBarLql6xlWXGVdXPgAPAcrJ51AMGR8OHYing=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00020

Result

int(1)