UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MKdbwLrDeZJadyS6b5ILZJAPDha2e4SDok0gE5BQmyM=' 
WHERE 
  key_id = '187884a81ab2d58a85d9ad04b697e8c69a014bed2504643b3de6e05a541d4dd6' 
  AND (
    token = 'MKdbwLrDeZJadyS6b5ILZJAPDha2e4SDok0gE5BQmyM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )