UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6Bbb30ehhfzqJOsldLdM2IZGgpVpW6i92BITkk176bk=' 
WHERE 
  key_id = '841bbe9e1e0cc0c1f11c30744290dd49c5bb96863f9950ecfcf313084a841abc' 
  AND (
    token = '6Bbb30ehhfzqJOsldLdM2IZGgpVpW6i92BITkk176bk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )