UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'po8SXBVhd+a7O0R6xrNHL8BKm9zGjbUHjBzZXlroGYU=' 
WHERE 
  key_id = '2b09929a5cf6133a29c95e584c120fe3b994800d734ad261be230db1bffc2187' 
  AND (
    token = 'po8SXBVhd+a7O0R6xrNHL8BKm9zGjbUHjBzZXlroGYU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )