UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Wuac2wofonaVvMGHb0GgKQUA3aBBwdpH0WjgSypw5NY=' 
WHERE 
  key_id = '51d693a01e863591788ffd534f5d538feadd4cb8baeb3c55eb1bce24d0ffcc66' 
  AND (
    token = 'Wuac2wofonaVvMGHb0GgKQUA3aBBwdpH0WjgSypw5NY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )