UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'A+u3s0mWYwxVzeA5f2uOD9pHuPrgCrmFH7zUHp7S/gs=' 
WHERE 
  key_id = '21be665fe003a21e52eea074412a26f6d75cf38de9bf35fb9fbcf0b60304f793' 
  AND (
    token = 'A+u3s0mWYwxVzeA5f2uOD9pHuPrgCrmFH7zUHp7S/gs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )