UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zevaakBAe2nO5dOXwcIjQQmKShQq/AzOt1IsjrI6BpI=' 
WHERE 
  key_id = '51c0d416e3c82f94c02cc01460f167887db720ff9e8b4a32eedc0411a2f3db19' 
  AND (
    token = 'zevaakBAe2nO5dOXwcIjQQmKShQq/AzOt1IsjrI6BpI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )