UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'btLo9mX+7ax/G9zr54jkeAWlnjz9wMf5/F/5e6tfDxo=' 
WHERE 
  key_id = '8afab54498b737880a8ef18772c8779da4fd15cece634b307e99ffc995094b75' 
  AND (
    token = 'btLo9mX+7ax/G9zr54jkeAWlnjz9wMf5/F/5e6tfDxo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )