UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '84amHD5wg0Ls0J1EWxqoyRdFEeD2uZfN4egk8l0ZJg4=' 
WHERE 
  key_id = '3d6ae2d11bf9a072f57edb99cc23164e84c769b2a60634f8e9008e89f0f70e54' 
  AND (
    token = '84amHD5wg0Ls0J1EWxqoyRdFEeD2uZfN4egk8l0ZJg4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )