UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Mh8DuD8QMTLLDpvqsH3cq2vTAcOg7hrRbvBYCiFjD7Y=' 
WHERE 
  key_id = '8e2a51951e103fd1dc834e69f5b8b636d868cb0f8cb99d041286511e8febbbad' 
  AND (
    token = 'Mh8DuD8QMTLLDpvqsH3cq2vTAcOg7hrRbvBYCiFjD7Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )