UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uLxl2h0wuAX9ToEdegDtkyzfoJjdAnZ8bJzWlbETYfo=' 
WHERE 
  key_id = '218b3243ffd6958cc16fa2921b983b606e7c46a026212d0758323a0a649af8d8' 
  AND (
    token = 'uLxl2h0wuAX9ToEdegDtkyzfoJjdAnZ8bJzWlbETYfo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )