UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+emn1MTxFps2uk3SypqHJCqwVjsatHzxtTn2CI7mcyQ=' 
WHERE 
  key_id = '45c2d73afaf60a182196dad17a3c2add66c764c51cb7a668b197b28fc1377154' 
  AND (
    token = '+emn1MTxFps2uk3SypqHJCqwVjsatHzxtTn2CI7mcyQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )