UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'aQ1KwXbQ9/vwR/LwhdwhXVETO4TzONgZtzu57i3Y+/w=' 
WHERE 
  key_id = 'b8e668cd78607784f791a50221c3191bd97f2b0c43ac56877e474b9d2004fc76' 
  AND (
    token = 'aQ1KwXbQ9/vwR/LwhdwhXVETO4TzONgZtzu57i3Y+/w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )