INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21ac4ee6edcab972903b3bd4367348b4097914e22e31d14282440c8907a75dca', 
    'q61Uh2bX2qwTx09a4nrVkvFbZs7Ad8Y/laev1A/xU2w=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)