UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '50vQ4//QCOmfOG3CFU7/izVMkFecIt23ww0650hxOMA=' 
WHERE 
  key_id = '913ceea12a2e5ecd1814d26ae5332b7366c8b0e87478623f39193c91faf94b2c' 
  AND (
    token = '50vQ4//QCOmfOG3CFU7/izVMkFecIt23ww0650hxOMA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )