UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zkgbjL0PJm8rl+G+XrVWn/lc816Xl2b1/ivg3cNcy1M=' 
WHERE 
  key_id = 'a2d4e050e621e8acf34936b4de980f9363b350b564de4257d98445c529243c1c' 
  AND (
    token = 'zkgbjL0PJm8rl+G+XrVWn/lc816Xl2b1/ivg3cNcy1M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )