UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u8+caMoJAkOCI4nTfz60vCcwd6RjkrdSxZNk9cfrYbU=' 
WHERE 
  key_id = '49c8d3dd31e802c9732da782ae2596cb52554e62ce20d356f86d81d59d0a76a4' 
  AND (
    token = 'u8+caMoJAkOCI4nTfz60vCcwd6RjkrdSxZNk9cfrYbU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )