UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VNEP1sQZVsZDm+NbCTCpYcHUJcu/PNEH3C3uTzW3Vkg=' 
WHERE 
  key_id = '849000eaaaf0cfcec977c2eb3eabe24ecc8e3e758a923b2592d7a634ba15d976' 
  AND (
    token = 'VNEP1sQZVsZDm+NbCTCpYcHUJcu/PNEH3C3uTzW3Vkg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )