UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KhtpDVbrhwyb822SnWcDMAXVE/5rn1Pxbxefqj2zjU8=' 
WHERE 
  key_id = '26757268dd53785c09a1ca333bf37f24273991d7bd876107e710c3150a628bcd' 
  AND (
    token = 'KhtpDVbrhwyb822SnWcDMAXVE/5rn1Pxbxefqj2zjU8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )