UPDATE 
  cscart_june_setuplock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dwkyAYm8nCC2iJW+iNDU3jmrxwgYn7LuC+oMHoDMd+A=' 
WHERE 
  key_id = 'a1f288d3a79b37e17506d76b91c3c461e0c1fb3e4b769a5373691b7c957a8846' 
  AND (
    token = 'dwkyAYm8nCC2iJW+iNDU3jmrxwgYn7LuC+oMHoDMd+A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00032