INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6450ff518d64ca6dd3a2ea73e012c096202aa38a2bcac32e83379712b1f21494', 
    'kg897WcdquejcJNjNQyKHyDzU0V2I2KEWbm5eWN7t7w=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00047

Result

int(1)