UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'oD6C8f2W8RxCen5TzTampTN74NkAmAy7x+gk4kdW0QU=' 
WHERE 
  key_id = 'c05ac262be8db312e248c6f279019ceaf9403dbd66a913ed93f9e0e62572d90f' 
  AND (
    token = 'oD6C8f2W8RxCen5TzTampTN74NkAmAy7x+gk4kdW0QU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00029