UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mmPDdj6eUXuqQ6UOnZwAh9E5MFvCVMdG18wvfDmOvcI=' 
WHERE 
  key_id = '2b46e77b3c747900511e8174a3747026a01d921c201e39ea8bcf325f2b97af59' 
  AND (
    token = 'mmPDdj6eUXuqQ6UOnZwAh9E5MFvCVMdG18wvfDmOvcI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )