UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DihnjMpav2vNXJzuRzfYspHT9BwWZL5aC4ZhSWBxw4o=' 
WHERE 
  key_id = '68120310987f3e2757548acae4e69373a2b8da3be7b734274b01e3b7b809327e' 
  AND (
    token = 'DihnjMpav2vNXJzuRzfYspHT9BwWZL5aC4ZhSWBxw4o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )