UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xq0FtaB4bQ/WDxhFbUNwCcOyuCUmsqu+m3n74DUhs60=' 
WHERE 
  key_id = '49420901d9c9f12e0c2870cd73b24dd7943b10933aeeaf7e879db87331f5eeb5' 
  AND (
    token = 'xq0FtaB4bQ/WDxhFbUNwCcOyuCUmsqu+m3n74DUhs60=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )