UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MerR9LlyjRWaHIKAwEI787lyTeiUU+GWIFXLiWau8wg=' 
WHERE 
  key_id = '945b9b6165d077a172640a6e356044e8db47981839592c3039e88472c40b539f' 
  AND (
    token = 'MerR9LlyjRWaHIKAwEI787lyTeiUU+GWIFXLiWau8wg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )