UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KnyyOO9/y20bnTgIaR37BNyY+igCZT+hANJRayIRFVc=' 
WHERE 
  key_id = '370bf20a1ca582c2a38488b2a4fa20472a936d9ea3fda050b27762e429b9e791' 
  AND (
    token = 'KnyyOO9/y20bnTgIaR37BNyY+igCZT+hANJRayIRFVc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )