UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eHFDVBu0jAwjJXlRn5uZLztuxUjN+TuD8UeYV0Jl0U4=' 
WHERE 
  key_id = '6e16d957ed3740e55a115799f18cc87b7bdc68c3ae673fee947517fe9b78a1ff' 
  AND (
    token = 'eHFDVBu0jAwjJXlRn5uZLztuxUjN+TuD8UeYV0Jl0U4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )