UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wFDhpFH9638CsdCZbprb7zIFiNv5zOcITtWLuiQJuVk=' 
WHERE 
  key_id = '5cfc75d6896e573b5fdcf3e3429656d38ecbaeaeec0d5d27387dea2dee583f6b' 
  AND (
    token = 'wFDhpFH9638CsdCZbprb7zIFiNv5zOcITtWLuiQJuVk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )