UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rKf3bBkF5Uj4u309WviggYGqQnpw4/dangD9iuRJfvk=' 
WHERE 
  key_id = '804df4b156a415809d3097b4016e7c9ded0e70f3fa9d3805afed3f986e270f54' 
  AND (
    token = 'rKf3bBkF5Uj4u309WviggYGqQnpw4/dangD9iuRJfvk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )