UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '53mlNY8c0Mf30qlP21AnzAd5vvEeJMSp4ifX4j6a27U=' 
WHERE 
  key_id = '4288580e06828947f829ceab206b4907eeb95c45b2a5d122a3c5aeea948c815f' 
  AND (
    token = '53mlNY8c0Mf30qlP21AnzAd5vvEeJMSp4ifX4j6a27U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )