UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'smGKeK69wO4J9nFKlUzzUDDVb40KPsVTIqRE9ACKslg=' 
WHERE 
  key_id = 'dc2846de1f5ea0ce074fac320321cbde17169cee4a927d76aa19134fab6716f3' 
  AND (
    token = 'smGKeK69wO4J9nFKlUzzUDDVb40KPsVTIqRE9ACKslg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )