INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '03355938a7196d268ea2a09734a3737c53254cc063685bdf24275bc1e7dd04b3', 
    'rxUQjtna2UTll8sA8yuqbUm4OkOVTcwd3EY17OEf5p4=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)