UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Nuh/PiAOqSmyE35w5AcZSWd5x6vqlgaS235T6uT9U7k=' 
WHERE 
  key_id = 'e14678708731b05b7de8b8a5afb9c41210e964ae6481547a9c5753b0e55142e3' 
  AND (
    token = 'Nuh/PiAOqSmyE35w5AcZSWd5x6vqlgaS235T6uT9U7k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )