UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'aEw4pVb/o9hyLsgUDXSuHz3mM55UQNmteZSsMkxiZ1g=' 
WHERE 
  key_id = '51cc7fcfdf9d79e103a72f938e61063dd877d870fd1b46625a685e1509d7ab2c' 
  AND (
    token = 'aEw4pVb/o9hyLsgUDXSuHz3mM55UQNmteZSsMkxiZ1g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )