UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Kx4NHp/Rc7sXkj0Z4jZI0H4VUyWPwnrRhZovKJkMRbo=' 
WHERE 
  key_id = '37868ebd417532d4281bc5c64b44450de95ecff9439b06e82877876ed8b61588' 
  AND (
    token = 'Kx4NHp/Rc7sXkj0Z4jZI0H4VUyWPwnrRhZovKJkMRbo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )