UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nFwG/gYQ2bYxcSsoz1ZVu9V4QooCZdm/hziBdL8vifs=' 
WHERE 
  key_id = '273fa891fd6b593514ff6854c74abe68b7721e04cb7c672d8a3d105bb915a8b2' 
  AND (
    token = 'nFwG/gYQ2bYxcSsoz1ZVu9V4QooCZdm/hziBdL8vifs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00053