UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'b6Dvhl9j8zodEckltrO6vrqQrk6bOixqwnI6kRdg4Mk=' 
WHERE 
  key_id = 'f40e7589e82a2b2f7a3f44f1c61d1575f008e3fddaeb3c32fd72b1a1b3743f75' 
  AND (
    token = 'b6Dvhl9j8zodEckltrO6vrqQrk6bOixqwnI6kRdg4Mk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )