UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'q8Lwj4qpJ4jF7XzmpGP2QGGPxvF7Djlq1soLR+iF3Ik=' 
WHERE 
  key_id = '68d2ff25fbf10ee6736769695a07b96423ec54a2022730ebc0b0aa956d02bce7' 
  AND (
    token = 'q8Lwj4qpJ4jF7XzmpGP2QGGPxvF7Djlq1soLR+iF3Ik=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )