UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KTCW6Aw8HIOy0PaXVcra8vR/xUlJbsYicek/8EWvZLM=' 
WHERE 
  key_id = 'f4fc0783d125356d1983a6feaf2074af80b78bcc0bdaf97c8d21d927c84e6fcb' 
  AND (
    token = 'KTCW6Aw8HIOy0PaXVcra8vR/xUlJbsYicek/8EWvZLM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )