UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ALmvOctiT6WvVWvwIlnycPggTm4Ceo+AnHcQ19EXUBg=' 
WHERE 
  key_id = '8bbb8d717e193857136e588528a7afd1d899ecbdc36499177278494ff294909a' 
  AND (
    token = 'ALmvOctiT6WvVWvwIlnycPggTm4Ceo+AnHcQ19EXUBg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )