UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'FCkRFw4XY+bBgjJCW1zMf02b6KZPxeCn1bkmsXC3Yqk=' 
WHERE 
  key_id = '6d484c9de6b487bafb4ea4ba06eab864e707230f770a51ebba7e8102c8a178bc' 
  AND (
    token = 'FCkRFw4XY+bBgjJCW1zMf02b6KZPxeCn1bkmsXC3Yqk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )