UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'px6c4HMtjFD8JWBIuaULaoJbH8kE9umxqNSlMhaNxpc=' 
WHERE 
  key_id = '94b024c59f33354396779b3abfa04c4848db26e063272c3553ed62b8c24a4025' 
  AND (
    token = 'px6c4HMtjFD8JWBIuaULaoJbH8kE9umxqNSlMhaNxpc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )