UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PzdJUIyjeEbAMvbSpCDMvRrqB+DDYC/9iMK5ObIGPsw=' 
WHERE 
  key_id = 'c76a4ef9dd69208ecbf536ec098158f64ded14af196e6c49bb4d15ddad317703' 
  AND (
    token = 'PzdJUIyjeEbAMvbSpCDMvRrqB+DDYC/9iMK5ObIGPsw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )