UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UAadkBx84m5xLzyYiJ842AKziEJ0x9eJtY2DgjqSfj0=' 
WHERE 
  key_id = '315c9c75e161bf501bfcf53185af3ba91aafeab95ccbba5fe6a14430077b5ff7' 
  AND (
    token = 'UAadkBx84m5xLzyYiJ842AKziEJ0x9eJtY2DgjqSfj0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )