INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b2ffaca6b0e756520f67ff6bfdd2f8d50ea3531e984fca096d17b29b74eef31b', 
    '8bvC9JwmPiMhu0BXEyfaZYSxUh0Dug8mP42iWQSgW0Q=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)