UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iVQGC+xHdXLWoihknEIKR1td8getQGmqWx1xi1Mky78=' 
WHERE 
  key_id = '4c20ffcbe57f82633a8e45b604ad4564795817ca9f008494bff793d26ac980a1' 
  AND (
    token = 'iVQGC+xHdXLWoihknEIKR1td8getQGmqWx1xi1Mky78=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )