UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'YyAVGEDNf3yC4JayCS8Qx0vPrzuoqWRHQb8ROqOcFuM=' 
WHERE 
  key_id = '20040d983bfd0d0cf087980f335da948eca8546d5de932ee289c9e81a99e6142' 
  AND (
    token = 'YyAVGEDNf3yC4JayCS8Qx0vPrzuoqWRHQb8ROqOcFuM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )