UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kr6PZguPtnRF7fBhuqvAcpHXAuEmsGHBiN4L+/HMqnc=' 
WHERE 
  key_id = '9f771fd499374cfaaa0bf9a0202c229decf766765b36eac2fa490b674a9d0c2a' 
  AND (
    token = 'kr6PZguPtnRF7fBhuqvAcpHXAuEmsGHBiN4L+/HMqnc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )