UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KGlP1gNYvdztN2HutgKViICtksbDsAAM5sz1Rynq1R4=' 
WHERE 
  key_id = '50a27970cc2e687405ca88da6a0366ac9e80a8bbaf31439613618bb59f6a759b' 
  AND (
    token = 'KGlP1gNYvdztN2HutgKViICtksbDsAAM5sz1Rynq1R4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )