UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zlYuoh8uLLf6ce5KFeiwb8WUiX92CadeY8irfh/IkfM=' 
WHERE 
  key_id = '83b2645955ef4213e36c397a102128be6dc3ddeacc40226e6c2a723349e3464a' 
  AND (
    token = 'zlYuoh8uLLf6ce5KFeiwb8WUiX92CadeY8irfh/IkfM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )