UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'IzkelqKwP0PqZO/JNCvMLCmxLdZSsOMKC5LS3WAlEPY=' 
WHERE 
  key_id = '2c7782666cbd8edbd2b64569b847e28c2b0cb4e763ac19550767c9ae8df69957' 
  AND (
    token = 'IzkelqKwP0PqZO/JNCvMLCmxLdZSsOMKC5LS3WAlEPY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )