UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UHkljGuyKjJXqfAp1AYq/57U9oUz2tuBpNnAwDQRREo=' 
WHERE 
  key_id = '5900b15d57dcb91672388b58474422a3b4fd0060e2fc95cb3d88bade21af065f' 
  AND (
    token = 'UHkljGuyKjJXqfAp1AYq/57U9oUz2tuBpNnAwDQRREo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )