UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/7QQEDAFZNAwGjilMf0hkb3Q8F41wgU+hZGkSOF1rNA=' 
WHERE 
  key_id = '502eed23079fe36ca97c68cf009901755406eaf5e3e560d83807dbb63ef913d2' 
  AND (
    token = '/7QQEDAFZNAwGjilMf0hkb3Q8F41wgU+hZGkSOF1rNA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )