UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n/sDYTtenc346aBVVEysWMzXURwzyoTmRkRMjxC1ksk=' 
WHERE 
  key_id = 'e4772dba0f7625fd936b9f3aa63a89bfc19240802c6692196da367b64f1d34e2' 
  AND (
    token = 'n/sDYTtenc346aBVVEysWMzXURwzyoTmRkRMjxC1ksk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )