UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EirNkDRzfnO0vsGYMqCqbnLpxP9KGVNDtmzNAKIuYXc=' 
WHERE 
  key_id = '919e3d7aa906027e47a1408569d2a7925b957a71b34b010a1a8548d74e8c4a33' 
  AND (
    token = 'EirNkDRzfnO0vsGYMqCqbnLpxP9KGVNDtmzNAKIuYXc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )