UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/KnNS92kOK5doERbDxaqcimlEZFg9JjWCynGdcuSIgo=' 
WHERE 
  key_id = '539eb929b7f81edf21d6d5f9c2066ea7e572af2224257a0c8361a77d60643bf4' 
  AND (
    token = '/KnNS92kOK5doERbDxaqcimlEZFg9JjWCynGdcuSIgo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )