UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xaxIB3R5gn3UI0rqfPwCdFt4M6PjCzbUil7etMddHu8=' 
WHERE 
  key_id = '6049f8b5171e053909e12fc593665792b83c3a31d0d48083147f2e097802050b' 
  AND (
    token = 'xaxIB3R5gn3UI0rqfPwCdFt4M6PjCzbUil7etMddHu8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )