UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'auyzh/paUKi9oUAFZYXbjGIXyyPRk/8OP/946WAPGPo=' 
WHERE 
  key_id = '5c389e77a8953d83b399f4594f80fda9be2910847670d94b9abba145e708bfe3' 
  AND (
    token = 'auyzh/paUKi9oUAFZYXbjGIXyyPRk/8OP/946WAPGPo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )