INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '9ded0dba5b932434c9397a98b5def1a7f3e8b2a397f7d7c5a9cb82be1d632528', 
    'nDTw9vDu1MD30HdgzGfwLNzO8bWR9+U5Z5XHn7RLVkg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)