UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zDDG8djFTw5sCNz09nY5ZpkY7NOnrfO6g4spuPzlrdY=' 
WHERE 
  key_id = '16668f9115f8987bcde8c3f966eacbf48c51c3e5387766705809e3c358c19268' 
  AND (
    token = 'zDDG8djFTw5sCNz09nY5ZpkY7NOnrfO6g4spuPzlrdY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )