UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QKcRwfjX5Z2MqBfetaOofE2H74QJXD98Z2DbW8JRj+s=' 
WHERE 
  key_id = 'fa81f47de86e2f0b6857d289f83d4c25df4fdeafce212f65f5be67ad07a687a5' 
  AND (
    token = 'QKcRwfjX5Z2MqBfetaOofE2H74QJXD98Z2DbW8JRj+s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00021