INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '4ef18ac6fdf78c84ad80524b94ab8cca017db2a3244e2dba030cd1ac8b9e91b7', 
    'cYNzuNGM2FZKmkSWhPfhmgXTaIrMSQ0hqqw6mw6g2OE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00031

Result

int(1)