UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CN5/9UDslze1JkQea83MKLpNAIvee6vzG2fpQ7nIT0k=' 
WHERE 
  key_id = '27c7f4debc31e4ffef724c69739c4e0bc43ce853f3398cd8907f61b610d67188' 
  AND (
    token = 'CN5/9UDslze1JkQea83MKLpNAIvee6vzG2fpQ7nIT0k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )