UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'oBsd2uiSXwj4WrNjGQaevui5BYukCmN7S7wigKUKKeA=' 
WHERE 
  key_id = 'c9d439e058dc4e2a4b19cd9e099b5380329dda48196b965b7d0a3cf804456f8e' 
  AND (
    token = 'oBsd2uiSXwj4WrNjGQaevui5BYukCmN7S7wigKUKKeA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )