UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bznnV6LW/5kcDtpLjUfrxYOPuhLH9WdA3s8QQf8/I54=' 
WHERE 
  key_id = '3df720375baa796bfca47991b301af8666de21cb5ac5f262097553c442e0cbe7' 
  AND (
    token = 'bznnV6LW/5kcDtpLjUfrxYOPuhLH9WdA3s8QQf8/I54=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )