UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kvY2YhjLkwMWszySbzzoiCf1lQZXjNam8ECai7lsIPA=' 
WHERE 
  key_id = '838d05ac9d7a0c868d73047d36473d8e7bf1182c6c9164180ce263e2136b4785' 
  AND (
    token = 'kvY2YhjLkwMWszySbzzoiCf1lQZXjNam8ECai7lsIPA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )