UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ifqkyX6DpAIE8IDU2i6a4C7uKr1yVACcyEpaNhDXzBE=' 
WHERE 
  key_id = '8c21bb5c0cf77ddc69c233282e304e218557c0a55180c670d7e726f95ca0ff74' 
  AND (
    token = 'ifqkyX6DpAIE8IDU2i6a4C7uKr1yVACcyEpaNhDXzBE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )