UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/s1Gs/c/HlmVgNrbCOlqtmR4nngFoVaLQty5oG0Y4Cc=' 
WHERE 
  key_id = '3c52eb7139550e3f658495b8f973c6e453f50d0c9f7de0b033d9f946df003602' 
  AND (
    token = '/s1Gs/c/HlmVgNrbCOlqtmR4nngFoVaLQty5oG0Y4Cc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )