UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LzfwDOfoyA4Fg5K0PywQbxuFsQ/bj0qmjn6rEkQxXas=' 
WHERE 
  key_id = '765a81849ff04dc4e62c296269518b59276122c9f6321717a938853bad2af5f8' 
  AND (
    token = 'LzfwDOfoyA4Fg5K0PywQbxuFsQ/bj0qmjn6rEkQxXas=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )