UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Hx4XwSHQxkJb77XxEVbscvxYiI5XHDCDjiFkti2g7r8=' 
WHERE 
  key_id = '75a542708e0bfeabeaaa3bfcd826af96aa5c257af638df6441dc018b55c6cbb5' 
  AND (
    token = 'Hx4XwSHQxkJb77XxEVbscvxYiI5XHDCDjiFkti2g7r8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00033