INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a8f5919dc6ffb4e539505958a52ff420637259ebce451ccc8ae49d22bcfac469', 
    '7sWJ5uJEh1bH2wI+srnkFxmpYgMqRDD5yJwqxKmXgOs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)