UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6RVVGgQqZdO186x+z9qcvIoW3zGFWaabMSiFI8KxD4o=' 
WHERE 
  key_id = '4f8b38000fd88fec914e20a73dafba349774b960d9f7c502852202b140069936' 
  AND (
    token = '6RVVGgQqZdO186x+z9qcvIoW3zGFWaabMSiFI8KxD4o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )