INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b81a97e1f11b9a954d37a6202c994d98f5654463d0c62b58458fe6a6cb78a6b9', 
    'wDCqKqIArKT2+NQBtZgzRFi7NgRJoTz61OcH61SpB6Y=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)