UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SNi3YZKbXIbugjE22gn6/CjngrAmCdx4b9EYrPasvPI=' 
WHERE 
  key_id = 'ac96609e9f669a223dbf499d81806944532de4c6f39c0b38ed9c1af35a06406d' 
  AND (
    token = 'SNi3YZKbXIbugjE22gn6/CjngrAmCdx4b9EYrPasvPI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )