UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yknObLFXHI2nehvvjkWGx1qXqO58fuHthIZqHJnAfiU=' 
WHERE 
  key_id = '1c19f90e5ea3e8a8fccaa496dc2a389a49925903aadff6a99eaf3ce672c456ad' 
  AND (
    token = 'yknObLFXHI2nehvvjkWGx1qXqO58fuHthIZqHJnAfiU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )