UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PxHcIFKDJN5rBAqRDsgrwvlbfb9QkEm93AqBYqTe87E=' 
WHERE 
  key_id = 'a5d90adf244a6182480e4875355212eacc2bebacb5e89646e4949ae717863953' 
  AND (
    token = 'PxHcIFKDJN5rBAqRDsgrwvlbfb9QkEm93AqBYqTe87E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )