UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4fCxlhbcbHoXO58POtDJviygfn9+2hCQ25FduV8sDSY=' 
WHERE 
  key_id = '02ab55a886e405df4357f3e360e9fa1759d93daf69c11c23e330b2cb10a8f0f2' 
  AND (
    token = '4fCxlhbcbHoXO58POtDJviygfn9+2hCQ25FduV8sDSY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )