UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zm81IdRGrAMbUdDbfuHnZ9pjFtcqPqQKuNggeLVMA0E=' 
WHERE 
  key_id = '5b13262378caba3e3c46d303b09c142e337802752400fb1de1761adbc4307e46' 
  AND (
    token = 'zm81IdRGrAMbUdDbfuHnZ9pjFtcqPqQKuNggeLVMA0E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )