UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = '6mSnnp2ZA367KfYnTnNeQPoQ9wTm7MpfwM146ehNtLs=' 
WHERE 
  key_id = '3b7213b049bd4b5b3425ecc6eb044059bbe65e3f23a62e2d177f878d9eddf568' 
  AND (
    token = '6mSnnp2ZA367KfYnTnNeQPoQ9wTm7MpfwM146ehNtLs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )