INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '3550007670e0eb5178acd3012944da6864d6a7e904a6f44fa4192616261e4f39', 
    'QajsfCXDFatbeXAO8G3VP/sQtXOtqkizhJxM216O9CI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)