INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c6142b11af7895dc20320101cefb7fbae1144cd475ba7e429c8bcf9098284711', 
    'b3emkUYL8gq4JnaDc2pEvXdYQQleUj2Jsmn663Vt0OQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)