INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '15616420ed4de9abad45c1f39e5e53f6d1cf79daca7a10bc8821b4416d5ab36b', 
    'nIpide+uQeVuMx90lKM6lvyJCk49LcG8Y2E//YFM8Xw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)