UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uGnH5xRovUS4QeCS0AmcimwL52WUlsLnKu7LPrka6D4=' 
WHERE 
  key_id = 'b7763fdea554e13c226129b4470b51ab9bfa0e81f28962ac30e361e74dc03720' 
  AND (
    token = 'uGnH5xRovUS4QeCS0AmcimwL52WUlsLnKu7LPrka6D4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )