UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LBYT4RDuXhL0H//wX2eS5aSOA5Kg2W0KmcTK6I5g3FM=' 
WHERE 
  key_id = '6f9b0bacdc3384ea11de0a32b82a963a67041cc617baa21323c57a2b8f9e1bf8' 
  AND (
    token = 'LBYT4RDuXhL0H//wX2eS5aSOA5Kg2W0KmcTK6I5g3FM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )