INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '9728dda3d00424ef367a7f45f5a6edb919ed15819011768d2b952256ef55c174', 
    '3xzxUKI9xfMvOjSyxwucpB5x/ibUSl9DG8P8ch/ZZk0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)