UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '951E3PXF9XqXRtLz7yWPQf9cT2U3hF4NKvjTZCHvLDs=' 
WHERE 
  key_id = '3c6ed3e70be7936a7a1b9719de346f2340d0df507e57d00826f36f20ba3587ce' 
  AND (
    token = '951E3PXF9XqXRtLz7yWPQf9cT2U3hF4NKvjTZCHvLDs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )