UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Qx2IE/mQCw5XtCbk0KqEpYBULfchs0we1tzOh51CDt0=' 
WHERE 
  key_id = 'a6105471ad7410319ac32b86b3b8d80a5e604b69cafcdba4aeed32b608248ee6' 
  AND (
    token = 'Qx2IE/mQCw5XtCbk0KqEpYBULfchs0we1tzOh51CDt0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )