INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '12b96ad0ee9e891996c29d60b44a635a8e83e4ffb68c697c59421eea7fddc521', 
    'WnJBwur1lDw9g2z0sS02TYJEc9JUalzSzmI4FZYh6BU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00024

Result

int(1)