UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a6dpMaUi48a2vXpmzd57FiAaSkml1sdLL2MynCp1AIU=' 
WHERE 
  key_id = '41f51e60f7fd60ec7a9d5e4af06f67308f47dfa8e06ae86ea8d41b61d4fa1750' 
  AND (
    token = 'a6dpMaUi48a2vXpmzd57FiAaSkml1sdLL2MynCp1AIU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )