UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'H2GsxGQ69yV2aX+XCLvjLh6gEBikAg5cPs1VHnX7DL0=' 
WHERE 
  key_id = '81b82921497dd4d80c5c0710eea78d0c48480851cb5c91455dc195571d7339c1' 
  AND (
    token = 'H2GsxGQ69yV2aX+XCLvjLh6gEBikAg5cPs1VHnX7DL0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )