UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n7eJ6GhlirDPn573t978eiA31/HzNBP+s0QMrfyoTFg=' 
WHERE 
  key_id = '6f21c5bd688f25bd6be8062867390c5200032a32c15aefb6e9cbe95ae9a50488' 
  AND (
    token = 'n7eJ6GhlirDPn573t978eiA31/HzNBP+s0QMrfyoTFg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )