UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'knNQvVf2rXW1uSBHothidKvZ2qlqsanKdCwVYEmPPFo=' 
WHERE 
  key_id = '6ca0e315e72231452de1cc03cab2131771a6b9eba10284e42315905b554473b0' 
  AND (
    token = 'knNQvVf2rXW1uSBHothidKvZ2qlqsanKdCwVYEmPPFo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )