UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3I8jStnUrWC2OWUAHZnhBZMRvUQgVHEhEFPgdFASejs=' 
WHERE 
  key_id = 'c496c8951f9876f88b5180c8db12d0a4221b37e3aceda712ca63421389842469' 
  AND (
    token = '3I8jStnUrWC2OWUAHZnhBZMRvUQgVHEhEFPgdFASejs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )