UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vElEk+V7jZTcXvc3iWHRK20k7tsyOeVNiBIU6ZVT878=' 
WHERE 
  key_id = '1d6be38dd61559e3182cdbb9aac3ec68a28bb883b83a9bb463391b7c151565d4' 
  AND (
    token = 'vElEk+V7jZTcXvc3iWHRK20k7tsyOeVNiBIU6ZVT878=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )