UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Bt2wZwssOxrk03NXOnwQngGhuejxxCGOj19uELeq7dE=' 
WHERE 
  key_id = '5b7515d3e52dd7e44efea22f5e2dc0601939846624c403edc5f90de4b5e01178' 
  AND (
    token = 'Bt2wZwssOxrk03NXOnwQngGhuejxxCGOj19uELeq7dE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )