UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'sz0Er7jAHbCu0xc1q5/OeR39JvdWTsCv/rHBCbiKaTA=' 
WHERE 
  key_id = '93dc34c3c8e4fa46bac7ae5bce7ada07f19b39f630fe3c79c64ad84b657f6739' 
  AND (
    token = 'sz0Er7jAHbCu0xc1q5/OeR39JvdWTsCv/rHBCbiKaTA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00022