UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Y+FVqsmAIPJOxgwX+1jqXD1EcMYhQxwghNoGmoBeyns=' 
WHERE 
  key_id = 'a1db8c04a4fc9931c9311b883360af29898d47a64e7ead45ac016b0b6e840ef6' 
  AND (
    token = 'Y+FVqsmAIPJOxgwX+1jqXD1EcMYhQxwghNoGmoBeyns=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )