UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fOtkNJhmdcmQiJbGEXe01Cr9vbMmpOFyVmL8PzYrcKY=' 
WHERE 
  key_id = '6e9fa659fad1bd11f96694f70da68b2bb31903dc525014488fc749a21e43a236' 
  AND (
    token = 'fOtkNJhmdcmQiJbGEXe01Cr9vbMmpOFyVmL8PzYrcKY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )