UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mdOZt7rPeTzyziWPlH2+0hTS3VT0LSJP8CeIp2j94fk=' 
WHERE 
  key_id = 'c28a655b88b63cda8cb5c94248937aea3320e080714698e72f1d046fcb760886' 
  AND (
    token = 'mdOZt7rPeTzyziWPlH2+0hTS3VT0LSJP8CeIp2j94fk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )