UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LtBwElKqqzBBr8pBHWTFQ2ZOd3Qg/S+/vqgUFRkHlKQ=' 
WHERE 
  key_id = '0500276ac9f4b395531461e82fa88b0cfa49293bac87d78186b5ad53018d78c7' 
  AND (
    token = 'LtBwElKqqzBBr8pBHWTFQ2ZOd3Qg/S+/vqgUFRkHlKQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )