UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gUqpGdQ1NoMTyIW6N71T+QGplD+m9uf6KoCH4lYROtg=' 
WHERE 
  key_id = '9c4854a357acee851c2ad8d48a2cb18f99360024a73c770843dd21a7ba509e36' 
  AND (
    token = 'gUqpGdQ1NoMTyIW6N71T+QGplD+m9uf6KoCH4lYROtg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )