UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U0POhUi8CzV1bUnd0EWtQOUi3tSHMC0nXH5jdYB0gYI=' 
WHERE 
  key_id = '28e7ca2833c57a2207fe4dbc5e54d1c34481dba55742e635451434247c488ceb' 
  AND (
    token = 'U0POhUi8CzV1bUnd0EWtQOUi3tSHMC0nXH5jdYB0gYI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )