UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6Xzurpx8vFvGsUEVVMGWQzdd7TFvFDqTQDvRUKBczeA=' 
WHERE 
  key_id = '3cc8b25c2df4fe59eccf316fa20efd6bdf60542c290174f3b1898daca2f6cf29' 
  AND (
    token = '6Xzurpx8vFvGsUEVVMGWQzdd7TFvFDqTQDvRUKBczeA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )