INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '39fd7e2adfd22d774aec5a8e1a9ea8d1487970e09d51da59a262058e846d1508', 
    'JVC22ikFctRW6cad5LDQ7nTDBTnE5zP2XrL489ZaUpA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)