UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'C/E816i66oSMdPpk5hI055v6sVGyDxwQpOhHLQ1o2e0=' 
WHERE 
  key_id = '2e6797d422f7261fb89b8d007090c330593236470e14b2e06124b2f70151cd52' 
  AND (
    token = 'C/E816i66oSMdPpk5hI055v6sVGyDxwQpOhHLQ1o2e0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )