UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'L4g5TF1cD3EqC3Xp1cYUJRqQenc1QyU8ezojG/Uz0iY=' 
WHERE 
  key_id = 'e4a38ae110ad2aa731024963cdf59e9aaf962ee10d08a97f142ddc4cb4e77621' 
  AND (
    token = 'L4g5TF1cD3EqC3Xp1cYUJRqQenc1QyU8ezojG/Uz0iY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )