UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'M7VPNR5eBQeJxbW0+QKCEsVNkQfueKinsVKeQvJ2whw=' 
WHERE 
  key_id = '51706bd7ba2018859f95f398cbce93c74fcd0d7fac56637fc832bb0eca277326' 
  AND (
    token = 'M7VPNR5eBQeJxbW0+QKCEsVNkQfueKinsVKeQvJ2whw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )