UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pz9ev4Qyj50oPIC1uftiS4bTBacyHteT89Yh2PO1MxQ=' 
WHERE 
  key_id = '614b7e3af2be3117b794fbe7d33004001178972da763bc30920e4cec41108e13' 
  AND (
    token = 'pz9ev4Qyj50oPIC1uftiS4bTBacyHteT89Yh2PO1MxQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )