UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '26/crC530G5el/wl70RfwSyM6Y6bTdjkGb+WmlD0gT0=' 
WHERE 
  key_id = '8095de22623b9c161fa3acf7c674092e4dfeb0f510004b4f36f860b1be453824' 
  AND (
    token = '26/crC530G5el/wl70RfwSyM6Y6bTdjkGb+WmlD0gT0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )