UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PR938n9Gboh7vwu/27gdiSAt+rcKXC0ziCS/BUN17/Y=' 
WHERE 
  key_id = '572ebb5796140db8c88c5a935a5055da25ae6f4ccb39907c26fc9353a00798f4' 
  AND (
    token = 'PR938n9Gboh7vwu/27gdiSAt+rcKXC0ziCS/BUN17/Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )