UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EPKJGMhf7+Uo1OLxuWmPm3CmTtthrLigEts5OxXjwno=' 
WHERE 
  key_id = '793b39c6b586934782fb27cc21523a16ab8b566fc53f87a5824a0155506d2396' 
  AND (
    token = 'EPKJGMhf7+Uo1OLxuWmPm3CmTtthrLigEts5OxXjwno=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )