UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'j03I+8wyoawT++IUmugnWFnEnwEHK9MvDvjeKn1V0Mc=' 
WHERE 
  key_id = '2f3309456aab43c1f23b97179a168c43bc9203cd1013bbe0e080473593ee8b3d' 
  AND (
    token = 'j03I+8wyoawT++IUmugnWFnEnwEHK9MvDvjeKn1V0Mc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )