UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'noYG4IOXhB7xWeSLGkudJieZwPC02bML+j7kQh5xREI=' 
WHERE 
  key_id = '15cf05101f6659cfed4ed3809e51a20f27bf684bf18f9a058a30322ca9a64a07' 
  AND (
    token = 'noYG4IOXhB7xWeSLGkudJieZwPC02bML+j7kQh5xREI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00022