UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UJfOca6hZ2/xHwNPi9MB6bNe3n0RgHmmV+czM1KY/4A=' 
WHERE 
  key_id = '855560972170d1179985e814fdf5b57e4a9fe33f5fd14ea7877f5ac3436c8baf' 
  AND (
    token = 'UJfOca6hZ2/xHwNPi9MB6bNe3n0RgHmmV+czM1KY/4A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00010