UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dGn6IjWqAsZOS5OSaiCdG+Up1wJTgpldxC29lNcYKd0=' 
WHERE 
  key_id = '0475e6fb4486aaa85744d7953fd1120b84f280ceecd53e13ca9ec97f300a1ed4' 
  AND (
    token = 'dGn6IjWqAsZOS5OSaiCdG+Up1wJTgpldxC29lNcYKd0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )