UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gPotgajoco6ctm1Gl6n8gnbpOhcr2Owe14/BWsqeVT0=' 
WHERE 
  key_id = '753f99647a92db0962c113435b445028442cada175d5a80d8e004c69efe3abd8' 
  AND (
    token = 'gPotgajoco6ctm1Gl6n8gnbpOhcr2Owe14/BWsqeVT0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )