UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kRJjrfe+LwfEn6EjDMIJW5KHCpyrl8OEczAw7rs8kT8=' 
WHERE 
  key_id = '94b44dbb853ee7b71105a409bc1cfa5aaad7da1e3981d08caf83c683e2340bac' 
  AND (
    token = 'kRJjrfe+LwfEn6EjDMIJW5KHCpyrl8OEczAw7rs8kT8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )