UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AtHyqQuXqX8Ipi/75gELORis+2cls+sKI48ESELdp/I=' 
WHERE 
  key_id = 'e18b9449c75e798566f34874d1b007061748f3d5161226f161a721fb4df53751' 
  AND (
    token = 'AtHyqQuXqX8Ipi/75gELORis+2cls+sKI48ESELdp/I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )