UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MRKxNPMQL7MKsu5tiL68szmfQ1NWTMb3KLBodr+71fY=' 
WHERE 
  key_id = '738a7c086a07c007980e4ab96ce699351698fc2073358385d4879667b7b2ef40' 
  AND (
    token = 'MRKxNPMQL7MKsu5tiL68szmfQ1NWTMb3KLBodr+71fY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )