UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Pp9jDYtYHV2wMCsXdXXTjtQmgB43XE5fPmXBgjxovi4=' 
WHERE 
  key_id = '8f8374d9a5d6f31b1c3f5487c37cd77b9f4ca09742cefc5523d4a2a2cd83b6bd' 
  AND (
    token = 'Pp9jDYtYHV2wMCsXdXXTjtQmgB43XE5fPmXBgjxovi4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )