UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'W4TymWP5R8kKs7SZ+RQxvbtcDbZmu3TlZJL/gR8fS30=' 
WHERE 
  key_id = 'c3e5c54fe88b99daa2a6fe59b3693743574eb6687a15b4476b74d1f310ba77fb' 
  AND (
    token = 'W4TymWP5R8kKs7SZ+RQxvbtcDbZmu3TlZJL/gR8fS30=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00036