INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e53e36dd73bb50a47448361e1d38d31db46af0fb16a3d1f49d8203c1578b68cf', 
    'Q26TbfvFihD+VKBeiyEv8E5M6kTfPU5BA5VKMwxjoPI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00029

Result

int(1)