UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4Eax5JflwR9b0pCbyytlMnxIuRGFPjXO+wlv0DPrMCE=' 
WHERE 
  key_id = 'd2ce0db6e05259abf3e14f38037f79a9911f4e991c4cf3e48a9b4b5fe98bd898' 
  AND (
    token = '4Eax5JflwR9b0pCbyytlMnxIuRGFPjXO+wlv0DPrMCE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00046