UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a6eQlsSmlcu2p+k9xPb6HMI+a505sKfDc4Uc68qcbHg=' 
WHERE 
  key_id = '504357b42f8108475fbbaa059fcafd03d785cf489fa72d39e1f99aa25ba28efb' 
  AND (
    token = 'a6eQlsSmlcu2p+k9xPb6HMI+a505sKfDc4Uc68qcbHg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )