UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ld+/UaRe0NGmafrujThRP52mkN/7M3yMS0FGNYqmJwQ=' 
WHERE 
  key_id = '4850d6b3db63c112574b0ec25b4de8e451981117fc82a90b1b451dad135e4d42' 
  AND (
    token = 'Ld+/UaRe0NGmafrujThRP52mkN/7M3yMS0FGNYqmJwQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )