UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6krz/CMW0N3mLiCnYq0FeyeK0YtPqdVfTBxWYbATz98=' 
WHERE 
  key_id = 'ec3910a922f2df3184472aa57c973e530264803e724eb99b7e698811685f3166' 
  AND (
    token = '6krz/CMW0N3mLiCnYq0FeyeK0YtPqdVfTBxWYbATz98=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )