UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'x4HGYCODDYhSy81NW4dqu+YZfMkn+ndPTBh6uCYYnNg=' 
WHERE 
  key_id = '28903eba026d9d45ad5779d40e85ec238ce0aa3336bdce0681fad25eafc2a525' 
  AND (
    token = 'x4HGYCODDYhSy81NW4dqu+YZfMkn+ndPTBh6uCYYnNg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )