UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MrcXFanfaddrBrBdEOR5ZttpFxCOVmIVxPGxZUFnIug=' 
WHERE 
  key_id = '6d45859b7ac73b0fca779f213a3e7c5e4a76f236baad6d0452d88bc19e0061ca' 
  AND (
    token = 'MrcXFanfaddrBrBdEOR5ZttpFxCOVmIVxPGxZUFnIug=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )