UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rU4FqCtQorTfxhYZhWhMs7CKfjjihfy9HeIu0EHUIVM=' 
WHERE 
  key_id = '9a84178c2b39f024a99de0a14e99417ec4eb7a341fce25d1dc5706495d4fd8d9' 
  AND (
    token = 'rU4FqCtQorTfxhYZhWhMs7CKfjjihfy9HeIu0EHUIVM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )