UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fx+YAdDVWjkhN9BZoWpyVbABubvTrUIzTnRzCWwZ/Vg=' 
WHERE 
  key_id = '40205bbe2a6b467e83d998c2e437a809a028095678f32f918ebb55d38b21a763' 
  AND (
    token = 'fx+YAdDVWjkhN9BZoWpyVbABubvTrUIzTnRzCWwZ/Vg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )