UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/a5mluwUjmLSDPffQV4MdBqW1PJ0ciufmddbiq2rb60=' 
WHERE 
  key_id = '3e81e49936aad557aaf4d0b06f8f94501d16604d4e452ba47aed22b91f17bc3b' 
  AND (
    token = '/a5mluwUjmLSDPffQV4MdBqW1PJ0ciufmddbiq2rb60=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )