UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RbFQwjiK29PrPwTj7XMYH8zq/3pmufnfiPvmZMOqx/U=' 
WHERE 
  key_id = 'b9638927b865ca964e8ea33b504702e21f1d27f9e86529857d88af18053f1a2b' 
  AND (
    token = 'RbFQwjiK29PrPwTj7XMYH8zq/3pmufnfiPvmZMOqx/U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )