INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6ac254e902d6db43e9a3289068a5ff066bd5f63b2e2990a169d112d8fd012715', 
    'uZV1eToAMfZMUSg6ff7UpPQ79SRqfId/LiB1JFeMFNQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)