INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8d9e4cfc938d748a79989ef1892c0990571f21c3e554e1faa3d871a6359fea5f', 
    '4MbhC77IeZqQlypbwnBJWvYyJuryAAlK7L+QUrkUpbg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)