INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '64ef4ae19f66b0c9b37d0d4b3fcbdb4e4f32e2ebc5a36b30748c3b0a2b98b4b8', 
    'tw1aB8MaFLtAJ9NL7d+WQLrBoqdHr1FwDJirZZBeB1o=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)