INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '7f0ac6896f2853065d232a48a9aee07666f009ec3e716dccca4ef6874ab09be3', 
    'UmIwhlvV5CWqf2UhAAaJZyCwQJ+AagQZYwnc36tvbIw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)