UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U1UEKIdAYODWeRBUhAAhPnullPOEhDiSo3HJaTf2ox8=' 
WHERE 
  key_id = '156b7e53654785b0587b6a42f13a362e1ecce2025cdfee07fccb98857e20997b' 
  AND (
    token = 'U1UEKIdAYODWeRBUhAAhPnullPOEhDiSo3HJaTf2ox8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )