UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n2WQZCtTIVxoKvsxf72iP6rckLIU+AvkNcO/RPbUkno=' 
WHERE 
  key_id = '47835e9e1d0dfa2cfdc299fb5cdfc8615544227dc9049135efdbdc2fd609d37c' 
  AND (
    token = 'n2WQZCtTIVxoKvsxf72iP6rckLIU+AvkNcO/RPbUkno=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )