UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EnDR55SQKzjoymC//AQGfElYPJZt/WUjEh2RkIeAudQ=' 
WHERE 
  key_id = '28eb4b0d9a7b03309b6188787051cf7bffbf736ee6c9eb22e3b37c00a1da43de' 
  AND (
    token = 'EnDR55SQKzjoymC//AQGfElYPJZt/WUjEh2RkIeAudQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )