UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KhFcKCwq+5D6l8aj69JbIeM2rmWddmPaGpNpYdr0iTU=' 
WHERE 
  key_id = 'bb485cbf16dbaacd89aecc85b621f48da313f4fdd9203a7e2b5a518a134ed21f' 
  AND (
    token = 'KhFcKCwq+5D6l8aj69JbIeM2rmWddmPaGpNpYdr0iTU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )