UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wUFDiC8FJsSe/iQfSsb576e6BmU/mmc6Xfh0WLAJZk4=' 
WHERE 
  key_id = 'c343f408534c5d7e85a23db84a6a49cafd47702c9609b56f651c1efe344a0f6a' 
  AND (
    token = 'wUFDiC8FJsSe/iQfSsb576e6BmU/mmc6Xfh0WLAJZk4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00027