INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '299939513940253e3a8e80743a12d74564a87d15b8ff88ff8d96a9438a214544', 
    'DXMmdHr6Db7MGNofxIqMs6ECxebdFoy96Pe0Arwpuqg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00029

Result

int(1)