INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'd50d87f3941ded176129ffa3ef6172c56a51483183df3aa00ce2198cace4019e', 
    'A9YgeW++Z7WDVIshGEzl6q/XMFd43wphQ/sgQvWaIZ0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)