UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eMHRKT6/8yVjBp5B8Jxs2cUbJOFZQK2UAsz9QIzADZk=' 
WHERE 
  key_id = 'b6c12dabdbbaf55efa3e31d499821d3b67690503aed30f8041561f0342bd78dc' 
  AND (
    token = 'eMHRKT6/8yVjBp5B8Jxs2cUbJOFZQK2UAsz9QIzADZk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )