UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8k3eurXXNMnxqC/lan0SnQF4yU0IOSDVYvwZ9p6yHdQ=' 
WHERE 
  key_id = '6ee68b2daa9bc9be542ffe1a860b614cc210ccf28069db07a370f1b7fa1b8886' 
  AND (
    token = '8k3eurXXNMnxqC/lan0SnQF4yU0IOSDVYvwZ9p6yHdQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )