UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Q8gz93LfUlSPkWlLtMHeu3pQ7j65C0kx3I/M0nu6V00=' 
WHERE 
  key_id = '40d8f21c538ebd71a530e1158f2420abde599514d9f5a5582215bc6ff2796c0d' 
  AND (
    token = 'Q8gz93LfUlSPkWlLtMHeu3pQ7j65C0kx3I/M0nu6V00=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )