UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dd8H8MBZOLCUygkkN4J8M6pvW4ZwLoS4G53jerYpv0o=' 
WHERE 
  key_id = '1a595d5b9a0fc999e7bea680402a17c36b53a62a3d201615010cccc6fed8f031' 
  AND (
    token = 'dd8H8MBZOLCUygkkN4J8M6pvW4ZwLoS4G53jerYpv0o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )