UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5C0GiMWcXSntEVJi9yx0vPjDNwAqdkG3CQxfjTlIt30=' 
WHERE 
  key_id = '2a2958afe2192937f18368b656a7de8a09dce7992c4ddf7ca215a609dde0a2d8' 
  AND (
    token = '5C0GiMWcXSntEVJi9yx0vPjDNwAqdkG3CQxfjTlIt30=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )