UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DyMmx7Xz96zmEDORNMMEsL6TayvVTe0lYxW0qKJrUBE=' 
WHERE 
  key_id = 'cb55543a4d732b8718087a38093e5b22779317d5e0d095ea981c1f112f684598' 
  AND (
    token = 'DyMmx7Xz96zmEDORNMMEsL6TayvVTe0lYxW0qKJrUBE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )