UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6MPwrj1bqv3Hizbe4XKW55xtUCTgs2lENNeKGFTCOt8=' 
WHERE 
  key_id = '4b627de067263f8e13a7195ec78259f014ff1d067ab03ca54c6f932b3f26403c' 
  AND (
    token = '6MPwrj1bqv3Hizbe4XKW55xtUCTgs2lENNeKGFTCOt8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )