UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yj9rhTwwuoxQYu9QA0nG7joxTnpltpvUs5Q6PATxgSY=' 
WHERE 
  key_id = 'a6f31ef20ea51e8771691fbe85cf2775cbe8bb8294c2c9955ab6142ade012d08' 
  AND (
    token = 'yj9rhTwwuoxQYu9QA0nG7joxTnpltpvUs5Q6PATxgSY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )