INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8503ff4d48659a55e76aba286fc355f3ea95f6ad03b8a67235582746daec450c', 
    '4RvwuyxoV5gK+Lpjtpo76UezWzGVoXaYXJGwYlF9Q7U=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)