UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U8wgWuZFgGljprfjB1NIaV1atPD77tOOwzETO7MKEW4=' 
WHERE 
  key_id = '68fc3fe4b49aa754b4021229dc710f47b8134018f4489677067ae41e81fe4cc1' 
  AND (
    token = 'U8wgWuZFgGljprfjB1NIaV1atPD77tOOwzETO7MKEW4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )