UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'aQp+f24meTPPK3vRxTrIwih99daWZYlymaPfjHiiFiY=' 
WHERE 
  key_id = '3461a8df7e4dd482ff39b8ef29ef896316aacb259ac29cdb1478d5f0dab4b9ce' 
  AND (
    token = 'aQp+f24meTPPK3vRxTrIwih99daWZYlymaPfjHiiFiY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )