UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UEVw0kzL4n+B+/Q51FciyWWS0y0HaZ8e0tUcbh62FAU=' 
WHERE 
  key_id = 'ee227db44264d9b79c34078e9ffc04b17feccf68ce34ca6a43c679c087c25fba' 
  AND (
    token = 'UEVw0kzL4n+B+/Q51FciyWWS0y0HaZ8e0tUcbh62FAU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00017