UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PLnK7RIqRHHaLtKP9tHyog0Dw0BSV85EoXR5ITzIgxo=' 
WHERE 
  key_id = '6e8dbbff8a749dd0dbf7a6d3073131ec54b8dd4d050a880f80f2ebe361ceef85' 
  AND (
    token = 'PLnK7RIqRHHaLtKP9tHyog0Dw0BSV85EoXR5ITzIgxo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )