INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '18a285464c239af1925752885c36bd21db0a50cd76782a69811db1c7890d0e00', 
    '4UOyQLFvcE20eP5bWTFRiNg1oIN9sVaEeWr4n8gz3qA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)