UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'epyM5D8nq6XhJEVf6E6qI/mVfZ5jg8zHiWpVBDKcsMA=' 
WHERE 
  key_id = 'e4752ebd603ea8ce8553c0e8f5c42e574e35671775e44b0f9fde7551b1c18413' 
  AND (
    token = 'epyM5D8nq6XhJEVf6E6qI/mVfZ5jg8zHiWpVBDKcsMA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )