UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Qu1aCbLwwZeeD+urBF+U2K2cdlpCU6ftWaeHTKidrV0=' 
WHERE 
  key_id = '7e6b5c273295402533bc29a6098834f5b951f04c86763e4053745f9928741ea9' 
  AND (
    token = 'Qu1aCbLwwZeeD+urBF+U2K2cdlpCU6ftWaeHTKidrV0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )