UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kcD+UNEuMrdaw7YHLX+jJ/aWPxJk7zyqiywHeK6GqKY=' 
WHERE 
  key_id = '27879cdc669f4dc06816f1a458bd5a5100aa6f71b6bba100d76c6ce8418511b5' 
  AND (
    token = 'kcD+UNEuMrdaw7YHLX+jJ/aWPxJk7zyqiywHeK6GqKY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )