INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21257e4c57b6c7a7c6463f9f367f95a874378a9ebb0d5e5d6066219522d39cdd', 
    'XIA1wsuxh5FZEfZKqT+tveYmsBKMOn4L3fl80yYW2Rg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)