UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6Av0Ln24yu8AbYFFysh8axDVwFatogSKgKQa29GtfAw=' 
WHERE 
  key_id = '342db5c96c8a9f3d78dc484dc65c9e373058074be09f66c20805a95637ed2ef3' 
  AND (
    token = '6Av0Ln24yu8AbYFFysh8axDVwFatogSKgKQa29GtfAw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )