INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c21b11fe92cd7a0ce68a8971b2b103a157f583aacf31efa323924cdc6f642377', 
    'aG6J0yh8bm2tvWYhjCY4HQP6OcL5YKjqZYtuaWUtKSI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)