UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Pz620LYnUkQVFXVkWuf4ZnEoyvIEKpWThfSm1l2kdTQ=' 
WHERE 
  key_id = '6b77506d776e514bcaa85289d8f0b669580975ab52b790ebb18267aada5a1f23' 
  AND (
    token = 'Pz620LYnUkQVFXVkWuf4ZnEoyvIEKpWThfSm1l2kdTQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )