UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9zkJrlsOBCHvzqEbxk1Qt22qaG3InS98Oj7oOJWEDts=' 
WHERE 
  key_id = 'c28b260f41942159dfdae4b2590ba025c7c682e0fcdd633640c284dd014b31bf' 
  AND (
    token = '9zkJrlsOBCHvzqEbxk1Qt22qaG3InS98Oj7oOJWEDts=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )