UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'h8ZzXcRmf8epAbDlX6nSR8gkWurc30JSIakcFSINats=' 
WHERE 
  key_id = '51eac93ce8d81fbe7ed6a31118426ee6b53274e511fe878d93d9509dc9f3e437' 
  AND (
    token = 'h8ZzXcRmf8epAbDlX6nSR8gkWurc30JSIakcFSINats=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )