INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c71e82d979bdcc4ad96b3043409f99e2e2548bd0ece7c953ef76fe09b4b7408f', 
    's5Dc2w0GDE94NVOLLej0pD2UzQAPrvRXcoacR9zD+rE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00038

Result

int(1)