INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'ae2a5689973aed6c289d888fa310fee7c157a23c7c24c14dc1a2811bd31790ee', 
    'axt3fMhiH6EgSHFQ3OPDqlYe5QIb0YHLdxlTL4mjSgs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)