UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fLq/76WpjYkBxaY7YHEOQN4MnNRIj3w5pX1rwdGmD6c=' 
WHERE 
  key_id = '9c97a42957d7c9d8680c9d44961fb9979da13d408c19e1b6fcb4cecbcc8bde50' 
  AND (
    token = 'fLq/76WpjYkBxaY7YHEOQN4MnNRIj3w5pX1rwdGmD6c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )