INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '257642cd5649db811e97b2d05dfdd33b29751ee7dd57f1ce8cdaa73d761243bc', 
    '6CrHcc19jFAj9fw9tNeYb07T+xvcuiBaD405gEwDVyE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00024

Result

int(1)