UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Oc8g4S7vTl0IGtLsS0wsareoeKoBuqxTPHeo71E+dC0=' 
WHERE 
  key_id = '4d481ad666f8b49358151a76fa4427578d7de4e0163110a36b48ac81d64b4719' 
  AND (
    token = 'Oc8g4S7vTl0IGtLsS0wsareoeKoBuqxTPHeo71E+dC0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )