UPDATE 
  cscart_june_setuplock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yjWMnhdt/TqwcrJMqV2ij8Fm/JJ9gKnuowLDmzDDDaw=' 
WHERE 
  key_id = '68b43b81ec0b69b6fb3ce5f8a58593659fa9684730a7084bd79cb51cd72b7882' 
  AND (
    token = 'yjWMnhdt/TqwcrJMqV2ij8Fm/JJ9gKnuowLDmzDDDaw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00025