UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'b2rWV/ziX2xoKyoJKKYRfOQOwxjdBtyzXbWQEDYQsA0=' 
WHERE 
  key_id = '7eebd1bf9decf617d0eca28ec11ff4396228b22677c282ba3a242ff58cdd1e1f' 
  AND (
    token = 'b2rWV/ziX2xoKyoJKKYRfOQOwxjdBtyzXbWQEDYQsA0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )