UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MUHQg8/R34qi8etyM4Y6eM+EwVH0QbSG5uD2n8XQTY4=' 
WHERE 
  key_id = 'b919df4edbbed7e3caf960be459de7f4e958f91d55ffb00afcd7a24d1e743110' 
  AND (
    token = 'MUHQg8/R34qi8etyM4Y6eM+EwVH0QbSG5uD2n8XQTY4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )