UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Kv6wGA/mj6PdNzAtxi4M6WNMIX4z7XHiCPb4vc2ksis=' 
WHERE 
  key_id = 'f5ab1609d9fce8a2bebdf8e79f0e9ff92bc6513941cc6d7352706d1da2145b10' 
  AND (
    token = 'Kv6wGA/mj6PdNzAtxi4M6WNMIX4z7XHiCPb4vc2ksis=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )