UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '74l//NOUzX1cmbToXDV241YClNw+OSnf/dNHkT8UGJg=' 
WHERE 
  key_id = '342c0823ece4031ac7ed5de24d8065334ce282dcb44909c0819eb9dc2f286800' 
  AND (
    token = '74l//NOUzX1cmbToXDV241YClNw+OSnf/dNHkT8UGJg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )