UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KmHYF3qCe7AtTXIFTKGt7zL/nTBMt3AlTK1OvvNds5g=' 
WHERE 
  key_id = 'a50750f555d88fa870d5ac7271aed5fbc8633c74dc739e68848e40fbe14b9f7c' 
  AND (
    token = 'KmHYF3qCe7AtTXIFTKGt7zL/nTBMt3AlTK1OvvNds5g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )