UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tYemMW6LDMy/8MYDozu5JS3D1GprgeD6x0zt46tvMN0=' 
WHERE 
  key_id = '6b5772c0fcb5ae5c9eb3f6ceac31da64b3c55bc1fb7976bf247605511ef07489' 
  AND (
    token = 'tYemMW6LDMy/8MYDozu5JS3D1GprgeD6x0zt46tvMN0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )