UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'j2MGr5grVOQUcKekcw5gnoNEf1hiUw4B9bLECkKunNk=' 
WHERE 
  key_id = '1a492b64284ba93ece71412f41fa682fb6c351e4ccfbdf66c91fc610942f788c' 
  AND (
    token = 'j2MGr5grVOQUcKekcw5gnoNEf1hiUw4B9bLECkKunNk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )