INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '81f4942c402a61ce885aabc7229819687cacb836b172504fac756437ee6e028a', 
    'DQFvAehDtPqx1SYHPn9nPWq25tlm+yMfDP1QFOXAgUA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)