UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'sSp4G53hLjofMhYcK6qtXr+xFknAxs7aVREf+lXn0tk=' 
WHERE 
  key_id = '50aac1bd8beacb4f923f2d0dbf369cdead64a04ae8823981cdc7912650935157' 
  AND (
    token = 'sSp4G53hLjofMhYcK6qtXr+xFknAxs7aVREf+lXn0tk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )