UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DJbItxNSoc8E0R0RmgUwDfqh49A2MRPw9eSUF0DMTYo=' 
WHERE 
  key_id = '345f81f979deb747e7148ff1618f894fa76d9d18bb75fa66e8b5763a8a35b7ab' 
  AND (
    token = 'DJbItxNSoc8E0R0RmgUwDfqh49A2MRPw9eSUF0DMTYo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )