UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a1jt5c+LkzoB1NCWknIbhTxn6zYm0rPNBWjQSCr0Keg=' 
WHERE 
  key_id = 'c207fc784a0412e1cf2d55af7ba01a470232330c7f0707d996c1a70c2f908d3a' 
  AND (
    token = 'a1jt5c+LkzoB1NCWknIbhTxn6zYm0rPNBWjQSCr0Keg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00022