UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lLGtvJFGQ8CN1rcwjrXBN+CnUHv8vWmnBn6XPH8bTik=' 
WHERE 
  key_id = '83ab936ed0f17147fa8069547282541c6a40a5f5440b30c4e74daa465738d807' 
  AND (
    token = 'lLGtvJFGQ8CN1rcwjrXBN+CnUHv8vWmnBn6XPH8bTik=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )