UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 't51qGdeAeurt5P30rpEGo+R3AVIPFo0O2q4vk8I8txE=' 
WHERE 
  key_id = '2264f47926cccee30c55a4bd5058864ed147b7890f2d9154c2dd83a90adc0039' 
  AND (
    token = 't51qGdeAeurt5P30rpEGo+R3AVIPFo0O2q4vk8I8txE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )