UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Pwd3t1PJo3v0n9GqsEPErdbiK42hm66l6voFqpu2TGw=' 
WHERE 
  key_id = '6b2117b1e40e863e2c6bd982bf76374619dc2abd4c38becf9223e5ca14148bcd' 
  AND (
    token = 'Pwd3t1PJo3v0n9GqsEPErdbiK42hm66l6voFqpu2TGw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )