UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SC4qtih2BSEnKEDZnLJEBP4nthDRn9ewkrlApKntVT0=' 
WHERE 
  key_id = '47c5ff6db8fc5d5f9a9ee25feeeadb4145a8f2a829946ab2654982e54c3bf6c1' 
  AND (
    token = 'SC4qtih2BSEnKEDZnLJEBP4nthDRn9ewkrlApKntVT0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00032