UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'IWr1GVP6WGHGjpF0TEo4w6aeNbZyMZsAKKCfrZWQhRk=' 
WHERE 
  key_id = 'c84f88a036b78e78e4c0398cb428434b081f1cafcf800c8c0fe497744944d8f4' 
  AND (
    token = 'IWr1GVP6WGHGjpF0TEo4w6aeNbZyMZsAKKCfrZWQhRk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )