INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a76400ed70d3d72dd3663402665fa6772e8ca2548024947b25a4fde49e0c5b50', 
    'IY4MYxCZJjSgvRD8gaS8Yn8TBcFMSICFgF2tlWIZa5Q=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00032

Result

int(1)