UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'camm4zBk1+BzCnhDZPGHmroUPzVZSkv6ycq1/BhP3Qc=' 
WHERE 
  key_id = '1496f31a1fae001e8638e01dcd36d3e407ceed5e927d8b4ae1ff04083131e412' 
  AND (
    token = 'camm4zBk1+BzCnhDZPGHmroUPzVZSkv6ycq1/BhP3Qc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )