UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7HuwblFUoInDgvPIHRZceUzmhtm7QFS8cv9QAcgz+vE=' 
WHERE 
  key_id = '730dac991df0272575d10f9d497b7f348520d21ac2b0a43022836aa06f91b674' 
  AND (
    token = '7HuwblFUoInDgvPIHRZceUzmhtm7QFS8cv9QAcgz+vE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )