UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '77W7ZByJIRYj6eXEHB3CHERDKYg2+GHTXjuJ5sNWzYs=' 
WHERE 
  key_id = '3ae200991c1a79bd4a3211ed9c9e129284d02e48497a1b9df41a8c21ebb120fd' 
  AND (
    token = '77W7ZByJIRYj6eXEHB3CHERDKYg2+GHTXjuJ5sNWzYs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00045