UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U6KSLMHo4yHLU9QBrysQQrijA8T3hCq9rsHcXN3cots=' 
WHERE 
  key_id = '70d4c6698302252aa3ed94ee66ef29ba24b761d044218ad6921e5cccb66fbb54' 
  AND (
    token = 'U6KSLMHo4yHLU9QBrysQQrijA8T3hCq9rsHcXN3cots=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )