UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iImW6yUM+0wsTSiXuGyMm+1/JGbUqm48qrCmhz/T0Zk=' 
WHERE 
  key_id = '301372cc158daaf978e1fea9548a9b2d9ecb5a9e5cc086e0cdb1214dc2463650' 
  AND (
    token = 'iImW6yUM+0wsTSiXuGyMm+1/JGbUqm48qrCmhz/T0Zk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )