UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'URCByXbGReHce3mepVJx1VcSd8BPOFqhxpj3vO5BwT8=' 
WHERE 
  key_id = '2d6950c0439499e386e27e92de32fb231a82c74ccdd88dc0321ecea30ad78a79' 
  AND (
    token = 'URCByXbGReHce3mepVJx1VcSd8BPOFqhxpj3vO5BwT8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )