UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PWkPNC83Z829kbtt2lQicTbayCE7uPd+4DMN7JJeyTA=' 
WHERE 
  key_id = 'e6734a706019f2e35ccaae672ceb1975564bc4ab3610a88718529dcc184feca6' 
  AND (
    token = 'PWkPNC83Z829kbtt2lQicTbayCE7uPd+4DMN7JJeyTA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )