UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RjmP8IRu8eWEjHb1lmTIkhyHvWH4Qs58bKDH7/ND+zQ=' 
WHERE 
  key_id = 'a7b848c747e710e0eb02921fa8fa49821e7492c6baf2e0ea575fa45e628e46a0' 
  AND (
    token = 'RjmP8IRu8eWEjHb1lmTIkhyHvWH4Qs58bKDH7/ND+zQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )