UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'S0v+QSicUBdI7BMUfsKFLNCPK1kkytpxfxB4UOT8P2I=' 
WHERE 
  key_id = 'e609cf6dd3ed6cd95fbf8d8e71a86d7748f97220c20a939b431efed761b81270' 
  AND (
    token = 'S0v+QSicUBdI7BMUfsKFLNCPK1kkytpxfxB4UOT8P2I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )