UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WJpeEmqWu+GzqJgjpv1Xadi/Smq1ti2SGVkTyDHRHec=' 
WHERE 
  key_id = '0504e2c54841d1ef6299a3965dc8278bd2b5c0a23773bd9bb9a922f5a95eb29e' 
  AND (
    token = 'WJpeEmqWu+GzqJgjpv1Xadi/Smq1ti2SGVkTyDHRHec=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )