UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bT9DG35aaIak9xxfwWUTnhLddxCUP0O2bMfLw9mK1GE=' 
WHERE 
  key_id = 'b3d34209517c3f2fec4cd157e3d214e208484400315b8856b557ce53fe51be39' 
  AND (
    token = 'bT9DG35aaIak9xxfwWUTnhLddxCUP0O2bMfLw9mK1GE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )