UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Z9fImc9VLC7V3RNrGUKyn6FUFJMPcLHUvMwIZw03cJU=' 
WHERE 
  key_id = '58fbc58047ef15193598d25ae73a997e0f8c4b1bd25bc7ff9c5461c71219d872' 
  AND (
    token = 'Z9fImc9VLC7V3RNrGUKyn6FUFJMPcLHUvMwIZw03cJU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00020