INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '893b4c2e0f3edea2d69f43a4af3d10be7c643e0342a6f171cf0e55f86131064d', 
    '7KsLQbWrqUAOEupHukoHA7QgNQzmt62nsbt4SaxjIv8=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)