UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'M8z2PSGAVyEGHqjD97LMVRu47LR3IUzUKi6qHzHvphQ=' 
WHERE 
  key_id = '6936e79292b4db8ba6e11dd62dc0a2c2d48b33a9c0242746df733c92fa5ffe35' 
  AND (
    token = 'M8z2PSGAVyEGHqjD97LMVRu47LR3IUzUKi6qHzHvphQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )