UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'V38Bg6YoOQ/5mWFnPYzbMH7X3fG9oRy30w4Y3s0nPHc=' 
WHERE 
  key_id = 'cbf743e2e050c75797be1eb120511a5a1c25346c99d5a62e8fc7ab57659ea850' 
  AND (
    token = 'V38Bg6YoOQ/5mWFnPYzbMH7X3fG9oRy30w4Y3s0nPHc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00035