UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MxwWk+DOL9zOiXjaak7W7e38idz+U7FxP7/rEBNn7mk=' 
WHERE 
  key_id = '9a879597c176df50820d5f270f97d367552c30e4b0d4bba6812ac0e59699fc04' 
  AND (
    token = 'MxwWk+DOL9zOiXjaak7W7e38idz+U7FxP7/rEBNn7mk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )