UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'emqsLbXfJui4A56MxUWKpzYjKgIBEZNDgEJTjST0tyg=' 
WHERE 
  key_id = '76648cb6559ea8a5a06b5832d2167ed935349ec6c7e89897a778ed7cb424cb1a' 
  AND (
    token = 'emqsLbXfJui4A56MxUWKpzYjKgIBEZNDgEJTjST0tyg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )