UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MW+CSAXdnk2m4iAbCnuzQxl/Ap55Hrn/jizwhgZCpVw=' 
WHERE 
  key_id = '9ab66451bd5fc80b405b2ffee1b0350ce8be3c3577c9474d5dae4cbe21f2d62e' 
  AND (
    token = 'MW+CSAXdnk2m4iAbCnuzQxl/Ap55Hrn/jizwhgZCpVw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )