UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'JX9O6sRQOPsSZO6mQliwS4W/ZJ0UZcgU58W4XXjeFZg=' 
WHERE 
  key_id = '6f9a4843b280bb592c2e09021778aac50ff48778f797fa42df69fc0ce797f78e' 
  AND (
    token = 'JX9O6sRQOPsSZO6mQliwS4W/ZJ0UZcgU58W4XXjeFZg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )