UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BR4MjEnPQmic6PQy3i1J8QxLpLkiguHl1/5cFdRFgxo=' 
WHERE 
  key_id = 'a512a23969adc6cc357fd12464830e8652cd10a630b183065cc4d9058dc4e414' 
  AND (
    token = 'BR4MjEnPQmic6PQy3i1J8QxLpLkiguHl1/5cFdRFgxo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )