UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kmrB6Ig9HRv37/luI4HVU5aHeiIU0GeZxhIDSxGoDHI=' 
WHERE 
  key_id = '18027eebb55a3634f50ac8097f5a09efc0ede875207d8c6662c7010a94c20308' 
  AND (
    token = 'kmrB6Ig9HRv37/luI4HVU5aHeiIU0GeZxhIDSxGoDHI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )