UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'YKUPl8OJybk4awhacO+wlLmVmycjf/xcSiDb4Pp9nAk=' 
WHERE 
  key_id = '81e4cd81528994c2c171cf6c50e574edadf62b6389631a285bc0080505d76091' 
  AND (
    token = 'YKUPl8OJybk4awhacO+wlLmVmycjf/xcSiDb4Pp9nAk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )