UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6l78x30f55rkEsDBfCsEM2MkKPdJUYn1phnLtTl81HY=' 
WHERE 
  key_id = '3ad9a0b57da59ec85b2b10a8d3920e1a8a85da3426d0b68fd0dbf4276190fe2a' 
  AND (
    token = '6l78x30f55rkEsDBfCsEM2MkKPdJUYn1phnLtTl81HY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )