UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DVu8mkG5XMRYg7kFgV90uVv5teQpdv17JuEGtkqLiJA=' 
WHERE 
  key_id = 'e18bde1a8e6fc5232593fbdc81139e95b2289935731868f70427a4cacf0a189a' 
  AND (
    token = 'DVu8mkG5XMRYg7kFgV90uVv5teQpdv17JuEGtkqLiJA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )