UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KwxO46VHHOrX1eXPeBgpwbH754pPGZizvP2gLxXa5WU=' 
WHERE 
  key_id = '4951db0516aa7d09bfa1d808bd275ee4e4fffa515135b64a8146faa1aea548a0' 
  AND (
    token = 'KwxO46VHHOrX1eXPeBgpwbH754pPGZizvP2gLxXa5WU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )