UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U5j578IBaGb6p3VAZCIPJhx5SUaUPwbNA3iKW7/jfjU=' 
WHERE 
  key_id = 'c1b1da58baac366909d52b7bd220295270d4dad306aa41315ee90749f67a6189' 
  AND (
    token = 'U5j578IBaGb6p3VAZCIPJhx5SUaUPwbNA3iKW7/jfjU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )