UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7Aq1ASk27BaZpjDvnRXcacEX0QWSy9x2Ll+sLuUfBbg=' 
WHERE 
  key_id = '266f452a4b22af571f2964e16f908fefd9845a76de49cb607700506eabf9aa8c' 
  AND (
    token = '7Aq1ASk27BaZpjDvnRXcacEX0QWSy9x2Ll+sLuUfBbg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )