UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/SJxzGdWBYj2z5ya3jBgupqSeNytwVUot0vx+uAxIIo=' 
WHERE 
  key_id = 'b55b187e6c5e52d137957a36f55aa657e4103ef5a0f260679bab867cef5bddb9' 
  AND (
    token = '/SJxzGdWBYj2z5ya3jBgupqSeNytwVUot0vx+uAxIIo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )