UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MY/VtmRYkeLS4NHGGy0Svez1MxMT5flEFj0ZJhZIPes=' 
WHERE 
  key_id = '501b2e3d0ffe3995a136416cb473b21c470b265e68713b4a656487ee28eb080b' 
  AND (
    token = 'MY/VtmRYkeLS4NHGGy0Svez1MxMT5flEFj0ZJhZIPes=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )