UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'T2PMii+A+3eqTUyrLkDhu1/ulMP2/m0Vmjf6hmab6nY=' 
WHERE 
  key_id = 'df6591b9ec3004d8a74d433674a9b1d7049ae44b02e7615dd5d90fa10925e4be' 
  AND (
    token = 'T2PMii+A+3eqTUyrLkDhu1/ulMP2/m0Vmjf6hmab6nY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )