UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zx2ueLwzpyDOTWz6hEMhG5C2ijAcdZkVbNGs1Pv/kh4=' 
WHERE 
  key_id = '27881e51b6824ad7b5bfa3b02b9212003d869acbf0315b3571cb8e7bdc145e32' 
  AND (
    token = 'zx2ueLwzpyDOTWz6hEMhG5C2ijAcdZkVbNGs1Pv/kh4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )