UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7PQRigwPXz7OumAHknFLYvt4gBK7EwZkSsoYhmqTmtk=' 
WHERE 
  key_id = 'e8b49928b8d0475974836e46239f3827750621293f49007bef454c639407dd7c' 
  AND (
    token = '7PQRigwPXz7OumAHknFLYvt4gBK7EwZkSsoYhmqTmtk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )