UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6DEFzj1IiFM7biXnzuX9eoJ6wZLVNFYmU79iDXwrHmg=' 
WHERE 
  key_id = '647a7f89471933f47f288c3aeed25fb23d2fbe363f63e44cd5395eae908ff42d' 
  AND (
    token = '6DEFzj1IiFM7biXnzuX9eoJ6wZLVNFYmU79iDXwrHmg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )