UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'euuuDEvVVW8pD+6E/1eH7PFeAOPpaCvxex7sd5TcfEg=' 
WHERE 
  key_id = 'f18c401ecc70a5f73289fad068c9cfcebf9d873c6978152a31b51f7141466173' 
  AND (
    token = 'euuuDEvVVW8pD+6E/1eH7PFeAOPpaCvxex7sd5TcfEg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )