UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'D0mkJHxR0db4RWkhPaSqvXDjf/DRoB/QTNapzn+toS0=' 
WHERE 
  key_id = '43b850c983095279fbe4f8c6c6a098ded6fdd72ae99dd758a2edad25de5ffb49' 
  AND (
    token = 'D0mkJHxR0db4RWkhPaSqvXDjf/DRoB/QTNapzn+toS0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00041