UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eprE7DbyF5pa3fLHf/7wDhqvfils3EmFxOwdc47302E=' 
WHERE 
  key_id = '97b6e1b3620e57b897ecaedac5b0794b139b12ee18887eb232209d74f8f72a06' 
  AND (
    token = 'eprE7DbyF5pa3fLHf/7wDhqvfils3EmFxOwdc47302E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )