UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k2nQPzG8C0m+blJu0f4unIsZy0bQjlkJUfyVcabVWhU=' 
WHERE 
  key_id = 'bd1735c33bb9ece1a73a94ed6b05b9583c2c2a543692474e48677a0884e1f1b7' 
  AND (
    token = 'k2nQPzG8C0m+blJu0f4unIsZy0bQjlkJUfyVcabVWhU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )