UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'YZl2fWn857APXyATHjGhpp9akf2GTbH1wt/89WAp6ow=' 
WHERE 
  key_id = '502812c476aa891d629e8dbfa0ffd97a9d2c41e878fd50f97ecd1dc9b56fc7e1' 
  AND (
    token = 'YZl2fWn857APXyATHjGhpp9akf2GTbH1wt/89WAp6ow=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )