UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6gNXxEcgbD3iGFV5M+gyoLkO+ddjSz2RSiMzUtelw1A=' 
WHERE 
  key_id = '53920d6abe1cac7d145ba06caff091d24bcd02049cb20604f968a4049ecd2559' 
  AND (
    token = '6gNXxEcgbD3iGFV5M+gyoLkO+ddjSz2RSiMzUtelw1A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )