UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MFhvn1B0EfXRx4iXzyb8e9r1srRsmF8I5EGG5MYZT20=' 
WHERE 
  key_id = 'c842608b36e373e5dcc9feac649310b0eda6906cc605cbbd2601d86691307884' 
  AND (
    token = 'MFhvn1B0EfXRx4iXzyb8e9r1srRsmF8I5EGG5MYZT20=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )