INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '621af7c4c5df7d5a7648bf88e383816099042b19e83c1dea7bd75372ebdde081', 
    'iT7t/iblGxfxRc4IMpsPJYk1Md2EwV65ylKox2bgfBg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)