UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Cv9hDXG8KtG4l6GTz8O0OBcbJDd0u8z+MmYELG37XlM=' 
WHERE 
  key_id = '8fd7b6a4f598712a5b6dc69e24c55e2c91db0fbf8778e7741595f3da95a012c6' 
  AND (
    token = 'Cv9hDXG8KtG4l6GTz8O0OBcbJDd0u8z+MmYELG37XlM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )