UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'htTYY14zaFI2JnVMQiPhhjxfW1wLJWp2MNZGyU28KOU=' 
WHERE 
  key_id = 'b8daa34f9325ba00323e2ed92e875bc44ba52ba94562693138b0ce836354bcee' 
  AND (
    token = 'htTYY14zaFI2JnVMQiPhhjxfW1wLJWp2MNZGyU28KOU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )