UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'i6luvfC6Sp0ifP9/vEPU7f7Yn0M/b7ECWPtBUrrzauE=' 
WHERE 
  key_id = '39987336649ae2be8b4d451cafb93cce6d8edd3352ffa7a1c1b5aeed31de50ec' 
  AND (
    token = 'i6luvfC6Sp0ifP9/vEPU7f7Yn0M/b7ECWPtBUrrzauE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )