UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6tzVwbaEtZvdhhP/aMblSaBngZKSBYufOfTDGvqjkpw=' 
WHERE 
  key_id = 'b3e12cba02a1847ee8ff9bd81670a31f669141746a872e5fd9fcbbc498bcd97b' 
  AND (
    token = '6tzVwbaEtZvdhhP/aMblSaBngZKSBYufOfTDGvqjkpw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )