UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pRnwuNRFGAS2SMKnt3uB5wrCProVhUGnOC11T23jKZw=' 
WHERE 
  key_id = '918baecbde75b7e761a2a710e5755edc399b44e498990a180ccd2da0a37468f3' 
  AND (
    token = 'pRnwuNRFGAS2SMKnt3uB5wrCProVhUGnOC11T23jKZw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )