UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MUrLdB/vJaCG4CpI16d4CjU+lklrH8sNgmebJCIlZHk=' 
WHERE 
  key_id = '2bcd6094ab1d9ac15f3f3bac7a5b950cca9423214cf08d0a36662cadf5eb9497' 
  AND (
    token = 'MUrLdB/vJaCG4CpI16d4CjU+lklrH8sNgmebJCIlZHk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )