UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VxaP+RXQlVctgYErtF/WdQoz3lwUgGgWziy77+G+3G8=' 
WHERE 
  key_id = '8dbdcb3e45a3dc43a204d2c22fcdee25a0b183a77a6e8106ef162925b5815998' 
  AND (
    token = 'VxaP+RXQlVctgYErtF/WdQoz3lwUgGgWziy77+G+3G8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )