UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'IrP0ZwmID7ZEH33g0bmPgiOumRa/FR6awCZcMZL0CBE=' 
WHERE 
  key_id = '50dd2b181c239b4279f04600d057aa6ff1b5ddc66eed9df7677025c2d02efb3e' 
  AND (
    token = 'IrP0ZwmID7ZEH33g0bmPgiOumRa/FR6awCZcMZL0CBE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )