UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MjWu/0aPX8aDDWX+xI2F6yP+Cba5XTw5H4FBU9rBH+4=' 
WHERE 
  key_id = '4550b63c1d0b38cafb1d4e3337a0dbbc1bf7b9a96e612c42c6e5f11deb10feac' 
  AND (
    token = 'MjWu/0aPX8aDDWX+xI2F6yP+Cba5XTw5H4FBU9rBH+4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )