UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kM8KnvcVnAYXoQTHOOGNtE49VdGbCFHFD8rJARjpQlE=' 
WHERE 
  key_id = 'bf784aa9c45a8482c35ec5218065a02441749c2a62e1696a8f368cc81941aa3c' 
  AND (
    token = 'kM8KnvcVnAYXoQTHOOGNtE49VdGbCFHFD8rJARjpQlE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )