UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'us6lZLM0gvMDV8tJXlqPuRfRaJO7B8tlW98az+ZKxg0=' 
WHERE 
  key_id = '2555eaa706210bcb696c3ab6b2822e63778885c6a202fac1f7509ebb8d756018' 
  AND (
    token = 'us6lZLM0gvMDV8tJXlqPuRfRaJO7B8tlW98az+ZKxg0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )